PSCS Wiki

Which versions of Windows will VPOP3 run on?

Anonymous (anonymous@undisclosed.example.com) — 2026-03-18T20:53:41+00:00

Which versions of Windows will VPOP3 run on? (Note - no version of VPOP3 will run on “Windows 10 S”) Version 9.0 or later VPOP3 version 9.0 or later requires Windows 8.1/2012R2 later. It needs a 64 bit version of Windows. Version 8.0 or later VPOP3 version 8.0 or later requires Windows 7/2008R2 SP1 or later. It should run on both 32 bit and 64 bit Windows.

Upgrading VPOP3 to version 9.x from v7 or v8

Anonymous (anonymous@undisclosed.example.com) — 2026-03-18T20:49:54+00:00

Upgrading VPOP3 to version 9.x from v7 or v8 VPOP3 v9 and later requires a 64 bit version of Windows 8.1 or later VPOP3 v9.x uses PostgreSQL 18 as its database engine. This can only easily be upgraded from PostgreSQL 9.3 or later, which means it must be an upgrade of VPOP3 v7 or later. If you are using an earlier version of VPOP3, then upgrade it to v8.7 first, then upgrade to v9 or later

How To Upgrade VPOP3 to version 5 or later

Anonymous (anonymous@undisclosed.example.com) — 2019-11-08T15:37:52+00:00

How To Upgrade VPOP3 to version 5 or later Upgrading VPOP3 is usually a straightforward process. Download VPOP3 from our web site and back up your current installation just in case something goes wrong. Then simply run the installer that you downloaded and install it over the top of your existing VPOP3. All your settings and mail will be preserved.

How to upgrade VPOP3 to version 7 or later from version 6 or earlier

Anonymous (anonymous@undisclosed.example.com) — 2020-06-29T10:43:58+00:00

How to upgrade VPOP3 to version 7 or later from version 6 or earlier As usual the process to upgrade is simply to install the later version over your existing installation (do not uninstall anything first). The below is technical information detailing an extra step performed by the installer in this particular upgrade step.

SMTP Server Lua Scripting

Anonymous (anonymous@undisclosed.example.com) — 2025-05-08T08:23:35+00:00

SMTP Server Lua Scripting The SMTP Server Lua Script is called SMTPSVR.LUA and can be edited from the Settings -> Scripts page in the VPOP3 settings. This script is called whenever an instance of the VPOP3 SMTP server is launched - ie whenever someone opens a connection to port 25 on the VPOP3 server to send it a message, whether from a local user or an incoming SMTP message.

Lua SMTP Relay Control

Anonymous (anonymous@undisclosed.example.com) — 2025-08-14T09:24:55+00:00

Lua SMTP Relay Control Every time VPOP3 is going to send messages via SMTP Relay, it runs a script called relayout.lua in the VPOP3 directory. Global Variables This script may have global variables, depending on your version of VPOP3. In VPOP3 3.0.0L and later, there are two read-only global variables set at the start of the script:

Upgrading VPOP3 to version 8.x from v7 or earlier

Anonymous (anonymous@undisclosed.example.com) — 2020-09-03T15:07:34+00:00

Upgrading VPOP3 to version 8.x from v7 or earlier VPOP3 v8.x uses PostgreSQL 10 as its database engine, which is the latest supported 32 bit version of PostgreSQL. Later versions of PostgreSQL are 64-bit only, which means we cannot use them while continuing to support 32 bit versions of Windows.

Move VPOP3 Version 3 or 4 to a new PC

Anonymous (anonymous@undisclosed.example.com) — 2019-11-12T16:09:08+00:00

Move VPOP3 Version 3 or 4 to a new PC Moving VPOP3 Version 3 or 4 to a new PC is slightly different from moving earlier versions, because of the database system. The summary of steps is: * Stop VPOP3 on the original PC * Manually make a backup of the database on the original PC

Move VPOP3 Version 5 (or later) to a new PC

Anonymous (anonymous@undisclosed.example.com) — 2026-04-21T11:12:40+00:00

Move VPOP3 Version 5 (or later) to a new PC Moving VPOP3 Version 5 or later to a new PC is slightly different from moving earlier versions, because of the database system, which was introduced for version 3 and modified for version 5. The summary of steps is: * Stop VPOP3 on the original PC

VPOP3 Historical Logger Backlog

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Historical Logger Backlog This problem is primarily related to VPOP3 versions 2.5 -> 2.6. Theoretically it could happen on later versions, but would be extremely unusual (see the note at the bottom if you are using version 3.0 or later) You get an error message with subject

Mail Sender Advanced Settings

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Mail Sender Advanced Settings Mail Connectors -> Mail Senders -> (name) -> Advanced Advanced Domain Filtering For VPOP3 v6.11 and later, see the Domain Filtering section of the user manual. The Domain Filtering box lets you restrict which email messages are sent via this Mail Sender. You specify each rule on a separate line, and the message will be sent if it matches any sender rule

How to Backup VPOP3

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to Backup VPOP3 By default VPOP3 v3 and later will automatically perform a daily backup of the database into a file called DBBACK-x.DMP, where the backup file rotates on a weekly basis (DBBACK-0.DMP is Sunday's backup, DBBACK-1.DMP is Monday's backup, etc).

Out of Disk Space When Sending Mail

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Out of Disk Space When Sending Mail The first thing you should do is check that there is enough free disk space on the disk where VPOP3 is installed. VPOP3 requires a certain amount of free space before it will allow new messages to be sent, so the disk might not be totally full, but VPOP3 will still report that there is insufficient disk space when you try to send a new message. This buffer zone is designed to help prevent the disk totally filling up, which can cause lots of bigger problems!

VPOP3 is using a lot of disk space

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 is using a lot of disk space If VPOP3 is using a lot of disk space, the problem is usually that there is lots of data there, so it has to use the disk space. Message Storage In VPOP3 version 5 and later, all users' messages are stored in the database, so they will occupy space in the VPOP3\pgsql\data folder.

Error message: Your connection has been blocked temporarily - Try again later

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Error message: Your connection has been blocked temporarily - Try again later If you get an error message in your email client software saying Your connection has been blocked temporarily - Try again later or Server access temporarily blocked! Please try again later

Address Book tab

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Address Book tab The Address Book tab within VPOP3 webmail enables you to manage your lists of contacts and add those contacts into a new or existing message. Substantial alterations to the interface were introduced in version 5. Both interfaces are documented.

Controlling VPOP3 via Email

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Controlling VPOP3 via Email You can control certain aspects of VPOP3 by sending emails to 'mailer_daemon@' The subject line must be one of the lines below: * Set Assistant * Query Assistant * Password * Set Forwarding * Query Forwarding

How To: Move VPOP3

Anonymous (anonymous@undisclosed.example.com) — 2019-11-12T16:09:34+00:00

How To: Move VPOP3 You can usually move VPOP3 without having to uninstall and reinstall. It is best to move VPOP3 rather than reinstalling from scratch on the new PC or in the new location, because that way you can keep all your existing settings, rather than having to try to recreate them.

How To Upgrade VPOP3

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How To Upgrade VPOP3 Note: if you are upgrading to VPOP3 version 5 or later from version 4 or earlier, please see How To Upgrade VPOP3 to version 5 Upgrading VPOP3 is a straightforward process. Download VPOP3 from our web site and ideally back up your current installation just in case something goes wrong. Then simply run the installer that you downloaded and install it over the top of your existing VPOP3. All your settings and mail will be preserved.

Lua SMTP MX Server Rules

Anonymous (anonymous@undisclosed.example.com) — 2026-02-24T15:50:03+00:00

Lua SMTP MX Server Rules Every time VPOP3 checks for remote MX server for sending messages using direct MX sending, it runs a script called mxserverrules.lua which can be created/edited in Settings -> Scripts (or in the VPOP3 directory in VPOP3 v6.6 or earlier).

Mail Connectors -> Mail Senders -> SMTP Direct

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Mail Connectors -> Mail Senders -> SMTP Direct VPOP3 can be configured to send mail directly to the recipient's mail server (or the recipient's mail service provider). Usually this is only used if you have a high-end business class Internet connection - such as a leased line, or your mail server is co-located in a data centre. Attempts to use SMTP Direct sending on a dial-up/ADSL/Cable/FTTC/etc connection may be problematic since the receiving mail server may think you a home user who has been …

I've got a really old version of Windows. Will VPOP3 run on it?

Anonymous (anonymous@undisclosed.example.com) — 2026-03-18T20:52:50+00:00

I've got a really old version of Windows. Will VPOP3 run on it? * If you have Windows 8.1 or 2012R2 you can use VPOP3 v2.6 or later * If you have Windows 7 or 8, you can use VPOP3 v2.6 up to v8.7 * If you have Windows Vista or later, you can use VPOP3 v2.6 up to v7.9

What is the VPOP3 Antivirus solution?

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

What is the VPOP3 Antivirus solution? “VPOP3 Antivirus” is a new product to replace the avast! for VPOP3 product which will no longer be supported after the end of 2012. VPOP3 Antivirus uses the popular 'ClamAV' virus scanner to scan incoming and outgoing messages for viruses.

421 4.3.2 VPOP3 Too many connections from your IP address - try later

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

421 4.3.2 VPOP3 Too many connections from your IP address - try later If you see this error message when you are sending messages, then it means that VPOP3 has detected too many simultaneous connections from your IP address. This would usually happen if the sender is another mail server as they can make many simultaneous connections when there are lots of messages to send. The error code that VPOP3 gives means that the sender should try sending the messages later, so it should be possible to e…

Allow Remote Access to VPOP3 Mailboxes

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Allow Remote Access to VPOP3 Mailboxes Sometimes people want to be able to access their office VPOP3 mail server from a remote site or mobile phone etc. These instructions assume you have a permanent Internet connection (eg ADSL, Cable etc). If you don't have a permanent Internet connection, see

Data stream contained NUL character

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Data stream contained NUL character Description of the problem NUL characters (bytes with value 0) are not allowed in email messages and should not be transmitted over POP3, SMTP or IMAP4 except in certain circumstances. If an attachment contains such a byte it must be encoded using

Database Issues

Anonymous (anonymous@undisclosed.example.com) — 2025-09-11T13:02:45+00:00

Database Issues VPOP3 version 3 and later use the PostgreSQL] database server. This is an open source enterprise level database server. Several VPOP3 problems are due to problems with the database service. * Database & Disk Caching * Software conflicting with database * VPOP3DB Service not starting * Database Size Database corruption If VPOP3 won't start even though the process is running, then that is often because the PostgreSQL service is not running. If the PostgreSQL service won…

How to send a fax by email using the VPOP3 FaxServer

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to send a fax by email using the VPOP3 FaxServer VPOP3 2.1.0 and later together with the VPOP3 FaxServer software allows you to send specially crafted emails to VPOP3 to have them sent as faxes. To do this, send an email to fax@ . The email subject will be the subject of the fax used on the fax cover page. The email should be in plain text (not

How To Encrypt Sessions

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How To Encrypt Sessions VPOP3 Enterprise 2.6 and later supports SSL/STARTTLS encrypted sessions to VPOP3 itself. So, the email client or web browser will encrypt the data passed to VPOP3 so it cannot be intercepted. This requires an SSL Certificate to be created for VPOP3.

Error Messages

Anonymous (anonymous@undisclosed.example.com) — 2025-10-06T15:21:37+00:00

Error Messages This is the place to look if you are trying to trouble shoot a problem and you have received or have access to a specific error message or error code. If instead your problem is that something you think is set up correctly is not working then the best place to look would be the

French Webmail Language File

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

French Webmail Language File Copy/paste the text below to a file 'french.lng' or 'francais.lng' in the VPOP3 directory. (French users, feel free to update/correct the text below) #login page logintitle=VPOP3 Login webadminlogin=web admin login webmaillogin=web mail login enterusername=You must specify your VPOP3 username here bookmarksnotsupported=I'm sorry, but your web browser does not support this function. You will have to add this page to your bookmarks manually. loginfailed=Login Faile…

German Webmail Language Page

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

German Webmail Language Page Copy/paste the text below to a file 'german.lng' in the VPOP3 directory. (German users, feel free to update/correct the text below) #login page logintitle=VPOP3 Login webadminlogin=web admin login webmaillogin=Webmail Anmeldung enterusername=Sie müssen einen Benutzernamen angeben bookmarksnotsupported=I'm sorry, but your web browser does not support this function. You will have to add this page to your bookmarks manually. loginfailed=Anmeldung fehlgeschlagen …

"How To" Articles

Anonymous (anonymous@undisclosed.example.com) — 2026-03-18T20:20:50+00:00

"How To" Articles Installation/Upgrades * Download VPOP3 * Install VPOP3 * Move VPOP3 * Upgrade VPOP3 * Upgrade VPOP3 to version 5.x or 6.x from version 4 or earlier * Upgrade VPOP3 to version 7.x from version 6 or earlier * Upgrade VPOP3 to version 8.x from version 7 or earlier * Upgrade VPOP3 to version 9 or later from version 7 or 8 * Performance Requirements * Installation Checklist General Configuration * Initial Configuration * Users * Add an Alias * Create…

Initial User

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Initial User When you install VPOP3 it will ask you to create an initial user. This counts towards your user count and is created as your initial administrator account. More administrator accounts can be created later if you wish, and you can remove the initial user if you wish.

Install VPOP3 using external PostgreSQL database

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Install VPOP3 using external PostgreSQL database (VPOP3 version 5 or later) In some cases, advanced users may wish to have VPOP3 use an external PostgreSQL database instead of the one installed with VPOP3. This is possible by telling VPOP3 the connection details during installation.

How to make VPOP3 re-download POP3 messages from the ISP

Anonymous (anonymous@undisclosed.example.com) — 2026-04-06T17:57:00+00:00

How to make VPOP3 re-download POP3 messages from the ISP If you have the VPOP3 Mail Collector setting Leave Mail On Server enabled, then VPOP3 will leave your messages on the ISP POP3 server for the specified number of days after downloading it. If, during this time, you want to make VPOP3 download those messages again, then you can do so.

Problems accessing VPOP3 Settings

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Problems accessing VPOP3 Settings If you have problems accessing the VPOP3 settings: * Go to Start -> Programs -> VPOP3 -> Configure VPOP3 on the VPOP3 computer. That should open up a web browser and take you to the login page * If VPOP3 doesn't show the login page, and shows a '403' error page instead, that means that the access restrictions for the WebMail service have been restricted so that this computer cannot access the WebMail service.

Remote Access to VPOP3 without a permanent Internet connection

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Remote Access to VPOP3 without a permanent Internet connection If you do not have a permanent connection to the Internet, then the user will need to dial directly into the VPOP3 computer or another computer on the network. This only works reliably if the dial-inserver is running Windows NT, Windows 2000 or later versions.

Restore selected mail folders or mailbox in VPOP3 v5 or later

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Restore selected mail folders or mailbox in VPOP3 v5 or later (This option is only available in VPOP3 Enterprise) First - if the problem is that messages were deleted very recently (the default is within 3 days), you can probably use the Undelete feature in VPOP3.

Restricting the number of recipients sent to

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Restricting the number of recipients sent to Some ISPs set restrictions on the number of recipients that you are allowed to send in a certain time period, eg 50 messages per hour, or the number of recipients that you are allowed to send per message or per connection.

"Too many logins" error message

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

"Too many logins" error message VPOP3 version 4 and later have a limit on the number of concurrent logins which can be received for a single user or from a single IP address. This is to prevent a single user from bringing the server down. The current default limits are 20 per user, or 1000 per IP address (to allow multiple people sharing a NAT IP address)

VPOP3 Antivirus Update Error - Error 55

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Antivirus Update Error - Error 55 If you receive an “Error 55” when VPOP3 Antivirus is attempting to upgrade, then this means that the virus definition database is not readable. If you have VPOP3 Antivirus version 1.0.6 or earlier (check on Settings

VPOP3 Not Starting Properly

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Not Starting Properly If VPOP3 is not starting properly, then the first thing to check is whether the database server is starting. In VPOP3 v3 and later, VPOP3 uses a PostgreSQL Database server for data storage, so if the database server is not running, VPOP3 will not be able to start properly. In this case, the VPOP3.EXE process may appear in Task Manager, but it won't respond to anything, or it may appear in Task Manager and then stop after a short period.

VPOP3 re-downloading old messages from the ISP POP3 server

Anonymous (anonymous@undisclosed.example.com) — 2026-01-05T09:31:47+00:00

VPOP3 re-downloading old messages from the ISP POP3 server If you tell VPOP3's POP3 mail collector to leave messages on the ISP's server for a few days, you may find that sometimes VPOP3 will redownload all the messages from the ISP mailbox again.

VPOP3DB Service doesn't exist

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3DB Service doesn't exist If VPOP3 v3 or later won't start, and you find that the VPOP3DB (or PostgreSQL-VPOP3) service does not exist in the Windows Services list, it may be that you have just moved VPOP3 and made a mistake following the move procedure or something has removed the service for some reason.

When sending mail, VPOP3 adds 'PRVS=...' to the sender address

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

When sending mail, VPOP3 adds 'PRVS=...' to the sender address This is because VPOP3 version 5 and later support BATV. BATV helps to eliminate 'backscatter spam', where someone else sends spam pretending to be from you, and then you receive all the bounce messages from those messages. BATV encodes the sender address in a special way so that VPOP3 can detect that a bounce message is in response to a message that you actually sent.

Message Archive -> General

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Message Archive -> General Settings -> Message Archive -> General Tab Archive Messages If the Archive Messages box is checked, then VPOP3 will archive incoming and outgoing messages. Main Archive Store Directory You can set the message archive store to any directory accessible by the VPOP3 service. Enter the path in the

Database -> Restore Tab

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Database -> Restore Tab This tab is only in VPOP3 Enterprise (v5 and later), and is for performing a partial (mailbox/mail folder) restore of the database. To do a full restore of the database, or for VPOP3 Basic/Standard, see the “Restore a Backup of VPOP3” topic Using the

Database schema used in VPOP3 5.x

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Database schema used in VPOP3 5.x Note that all information in this section is subject to change. We do not guarantee that the database schema will remain constant, even between minor upgrade versions, so use this information at your own risk. Do not alter the database schema used by VPOP3 (including indexes, triggers & functions) or your whole VPOP3 data store may collapse.

Lua Scripting

Anonymous (anonymous@undisclosed.example.com) — 2026-03-26T23:49:01+00:00

Lua Scripting Lua is a simple scripting programming language often used for embedding in other applications. VPOP3 uses it to customise behaviour in places where most people will be happy with the default behaviour, but occasionally people will want to do something more complicated. Rather than having lots of extra options to complicate things for most users, we have opted to go for a more flexible scripting facility.

Lua SMTP MX Control

Anonymous (anonymous@undisclosed.example.com) — 2026-02-24T15:49:48+00:00

Lua SMTP MX Control Every time VPOP3 is going to send messages using direct MX sending, it runs a script called mxout.lua which can be created/edited in Settings -> Scripts (or in the VPOP3 directory in VPOP3 v6.6 or earlier). Global Variables Starting with v8.8, the following global variables are defined:

msgaudit Database table

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

msgaudit Database table This can (optionally) contain data showing how messages have been handled (eg deleted, moved, etc) * id - incrementing ID of msgaudit entry * datetime - the date & time the event occurred * component - which VPOP3 component performed the event

Mail Connectors -> Connector Schedule

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Mail Connectors -> Connector Schedule The Connector Schedule tells VPOP3 when to connect to send mail using Mail Senders and collect mail using Mail Collectors. It does not affect incoming SMTP over a permanent connection, or LAN Forwarding. The connection schedule also tells VPOP3 when to check for updates to the

SMTP Direct Sender Settings

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

SMTP Direct Sender Settings Mail Connectors -> Mail Senders -> SMTP Direct Sender -> Settings tab The SMTP Direct Settings tab lets you set how VPOP3 will send mail using SMTP Direct DNS Servers to Use This setting tells VPOP3 the IP addresses of the DNS servers it should use to find the recipients' mail servers. Separate multiple addresses with commas.

Spam Filter Rules

Anonymous (anonymous@undisclosed.example.com) — 2023-01-18T15:57:13+00:00

Spam Filter Rules VPOP3 Versions 2.1.7 and later have a built-in spam filter system which supports a simple script language optimised for content- and spam-filtering of email messages. This reference contains a definition of the spam filtering script language supported by VPOP3. Note that as later versions of VPOP3 are released, more language features may be added, so this reference indicates in which version of VPOP3 a particular feature was added.

Spam Filter Rules: Convert

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Spam Filter Rules: Convert Statement Convert Version 2.4.9+ Purpose Allows you to convert data from one form to another The Convert statement requires a data parameter, conversion method and variable name, in the format Convert

Can I change the VPOP3 licence owner name?

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Can I change the VPOP3 licence owner name? The VPOP3 licence owner name is tied to the licence key, so you cannot just change the name without getting a new licence key. There is generally no need to change the licence owner name since it is not published anywhere, but if you really must change the name, then you can request a name change if you upgrade to a later version or larger size of VPOP3 or there is a £10 administration fee if you just want to change the name without upgrading the lice…

GDPR for hosted VPOP3 service

Anonymous (anonymous@undisclosed.example.com) — 2025-10-14T15:43:01+00:00

GDPR for hosted VPOP3 service (Since Brexit, the UK has “UK GDPR” instead of “EU GDPR”, so this document refers to UK GDPR) Also see GDPR for VPOP3 as most of that applies to the VPOP3 hosting service as well. This Data Processing Agreement is part of our hosted VPOP3 service terms. You can view the revision history by clicking on the 'clock' icon to the right.

How do I write an email to technical support?

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How do I write an email to technical support? Please send the email to support@pscs.co.uk Note that free technical support is currently only available for version 3.0 and later When sending the email, please make sure you include all relevant information:

Multiple VPOP3 icons in the taskbar

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Multiple VPOP3 icons in the taskbar If you reinstall VPOP3 it is possible that you may end up with two VPOP3 Status Monitor icons in the task tray. This doesn't mean that two copies of VPOP3 are running, just that two copies of the VPOP3 Status Monitor are running.

SMTP Relay Service FAQ

Anonymous (anonymous@undisclosed.example.com) — 2021-06-29T08:35:43+00:00

SMTP Relay Service FAQ We provide an SMTP Relay Service for many of our customers. The price starts from £40 (+VAT if applicable) per year, for up to 5000 messages, or 750MB, per month. How do I order the SMTP Relay Service? To order the SMTP relay service, either email

What is PostgreSQL?

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

What is PostgreSQL? PostgreSQL is an SQL database engine. VPOP3 and PostgreSQL In VPOP3 2.x, VPOP3 uses a database engine called SQLite for its database needs. SQLite has limited locking facilities, so on busy systems we encountered problems where databases would need very frequent updates, and the lock limitations would cause the updates to take a long time. For this reason we added optional support for PostgreSQL to later versions of VPOP3 2.x.

What is the difference between VPOP3 Basic and VPOP3 Enterprise?

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

What is the difference between VPOP3 Basic and VPOP3 Enterprise? VPOP3 Enterprise includes all the features of VPOP3 Basic, plus: * IMAP4 mail support as well as POP3, SMTP and Webmail * Support for database (ODBC) links for the Global Address Book and Mailing Lists. * Shared calendars & webmail address books

421 4.3.2 VPOP3 SMTP Server access disabled - content scanner problem!

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

421 4.3.2 VPOP3 SMTP Server access disabled - content scanner problem! This usually happens if the “VPOP3 AV” virus scanner has a problem it can't automatically recover from. This may be a fatal error, or a licencing issue. You can check this on the Settings

450 4.3.2 Content Filter Timeout

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

450 4.3.2 Content Filter Timeout If you get this error appearing when messages are sent to VPOP3, either in a bounce message, or in the VPOP3 status monitor, it means that the VPOP3 computer filter is taking more than the allowed amount of time (usually 60 seconds).

550/553 Not Permitted error from BT Internet's mail servers

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

550/553 Not Permitted error from BT Internet's mail servers BT Internet's mail servers only allow messages to be sent from 'approved' email addresses. If you try to send messages from other addresses BT's mail servers may return a '550 Not Permitted' error, a '553' error, or may silently discard the message depending on what their server feels like doing today.

Error 1068 - the dependency service or group failed to start

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Error 1068 - the dependency service or group failed to start If you get an error 1068 when you try to start VPOP3, then this usually means that the VPOP3DB service (if you are using VPOP3 v5 and later) did not start. In this case try starting that service manually and see what error message is generated then.

How To Allow Mail Relay Through VPOP3

Anonymous (anonymous@undisclosed.example.com) — 2025-05-21T07:57:18+00:00

How To Allow Mail Relay Through VPOP3 If you are allowing remote access into VPOP3 to collect mail then you may also want those remote users to be able to send their outgoing mail through VPOP3 as well. This is more complex than allowing users to collect mail, because, by default, SMTP connections are not authenticated. This means that when someone tries to send a message through VPOP3, VPOP3 doesn't know who that user is. This can cause a problem if unauthorised users try to send mail through…

VPOP3 Webmail/admin service and/or Status service is not listening on correct IP addresses or ports

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Webmail/admin service and/or Status service is not listening on correct IP addresses or ports Sometimes, VPOP3 can be configured so that the Webmail/admin service, or Status service is not listening on the correct IP addresses or ports. This can be hard to fix through normal methods, since you may not be able to get into the settings to change the settings.

Configuring Calendar on iOS

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Configuring Calendar on iOS These instructions are for configuring a new Calendar account on iOS for iPhone, iPad and iPod Touch. The version of iOS used for these instructions is iOS v6.0, but they will probably work or help with other versions of iOS.

Can't alter dates in Autoresponder Rules

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Can't alter dates in Autoresponder Rules If you try to edit an Autoresponder Rule which has a start/end time set, you may notice that you can't edit the dates in there. This is because VPOP3 prevents you from setting it so that the “start date” is after the “end date

Configure SRS

Anonymous (anonymous@undisclosed.example.com) — 2025-08-18T15:28:11+00:00

Configure SRS In VPOP3 8.8 and later, you can use Lua scripting to implement 'SRS' (Sender Rewriting Scheme') in VPOP3 This involves adding a couple of functions to rewrite outgoing return paths in 'relayout.lua' or 'mxout.lua' as appropriate and a couple of functions to redirect rewritten bounce message recipients in 'smtpsvr.lua'

Database Backup Failed

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Database Backup Failed VPOP3 version 3 and later will, by default, make a backup of the database used by VPOP3 into a file. This uses the PostgreSQL utility 'pg_dump' If an error occurs whilst running this program, VPOP3 will create a 'Database Backup Failed' error message to the administrator.

Database Maintenance

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Database Maintenance VPOP3 uses the PostgreSQL database server for most of its data storage. Normally this will not require any special maintenance, because it will manage itself. To do any special database maintenance you will need to close down VPOP3 first, because PostgreSQL needs exclusive access to the database to perform any operations such as decreasing the size of database files. Note that these operations may take some time! There are some PostgreSQL utility programs in the VPOP3\pgs…

VPOP3 Database Size

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Database Size The VPOP3 directory is stored in the VPOP3\pgsql\data folder and subfolders. If you are concerned about the size of the VPOP3 database, there are several factors which may make the database larger than you would expect: * The VPOP3 database contains a lot more information than just messages in mailboxes. This can include settings, outgoing messages, historical logging information, statistical information for the spamfilter, information about archived messages, etc. Also,…

Delete OutQueue messages directly from the database

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Delete OutQueue messages directly from the database If there is an extremely large number of messages (eg hundreds of thousands) in the VPOP3 OutQueue, then it may take a very long time for VPOP3 v5 and later to start as it check the message database tables for consistency during initialisation.

"Error Sending Message After Authentication" in Webmail

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

"Error Sending Message After Authentication" in Webmail If you get an error while sending a message using Webmail, such as “Error sending message after authentication - error 0 - text 502 Error: command not implemented” this means that you have another SMTP server running on the VPOP3 computer, and when the VPOP3 Webmail service tries to send the message it is sending it to this other SMTP server, rather than to the VPOP3 server. The Webmail service uses internal commands which the other SMTP…

Exchange 2007

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Exchange 2007 You can link VPOP3 to Exchange Server, so that Exchange Server sends outgoing mail through VPOP3 and VPOP3 sends any incoming mail directly to Exchange Server. You should first of all set up VPOP3 to send and receive Internet email as normal.

Initial Configuration Tasks

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Initial Configuration Tasks After installing VPOP3, you will need to get into the VPOP3 settings. The easiest way of doing this is to find the VPOP3 Status Monitor in the Windows task tray. Right-click this icon, and choose 'VPOP3 Settings'. (If that doesn't work, see this article to troubleshoot Status Monitor problems). Alternatively, on the VPOP3 PC, you can go to Start

How to 'share' domains between Exchange and VPOP3

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to 'share' domains between Exchange and VPOP3 If you want to have a VPOP3 server and Exchange Server using the same email domain, then you need to ensure that Exchange does not think it is 'authoritative' for the domain in question. See for details of how to do this in Exchange 2000 and 2003 (a similar process may be used in later versions of Exchange - contact your Microsoft Support technician if you need more help).

Configuring iCal on Mac OSX to connect to VPOP3's CalDAV service

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Configuring iCal on Mac OSX to connect to VPOP3's CalDAV service This requires VPOP3 v6 or later. The following instructions are for Mac OS X v10.7.5 but should work with similar versions. We have not been able to create an account by going to System Preferences

Installation Errors

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Installation Errors This page lists some errors which may occur during installation and the solution. In general, do NOT 'ignore' any errors unless we tell you to. If you have to retry an installation, when it is an upgrade from versions 1 - 4 going to version 5 or later, then make sure you have told the installer to install the database. Sometimes a partial installation will make the installer think that the database is already installed.

How to install PostgreSQL to use another port

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to install PostgreSQL to use another port If the VPOP3 computer has a version of PostgreSQL older than version 8.3 installed for other software, and you can't/don't want to remove that you need to set up the PostgreSQL 8.3 or later for VPOP3 to use a different TCP/IP port number.

Make VPOP3 retry outgoing messages immediately

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Make VPOP3 retry outgoing messages immediately If VPOP3 has a temporary problem sending a message it will retry it later. When it will retry it depends on how many times it has already tried to send it, and is based on the 'Sender Retry' setting in the Mail Connectors

Many instances of Postgres.exe are running

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Many instances of Postgres.exe are running If you are running VPOP3 3.0 or later, and look in the 'Processes' list in Windows TaskManager you will probably see multiple instances of postgres.exe running. This is perfectly normal, and does not indicate a problem. The PostgreSQL database works by having a separate instance of postgres.exe for each connection to the database (as well as a few extra for management and house keeping). This behaviour is documented on the

Move the message store - alternative method

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Move the message store - alternative method This method moves the database data storage location, but not the whole database. This means that the database configuration, logs, transaction logs etc are still stored in the VPOP3\pgsql\data folder, but the actual database tables & indexes are stored in the new location. This may be simpler, but, depending on your requirements,

How to move messages between users

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to move messages between users There are several ways to do this, depending on your exact needs Via Administrator Console You can view a user's 'Inbox' messages by clicking on the message count on the Users list, then select the messages, choose the target user, and press the

How to configure Mozilla Thunderbird

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to configure Mozilla Thunderbird This article won't show you all the possible settings in Thunderbird, because there are so many. Thunderbird is one of the most powerful & flexible email clients available at the time of writing, especially if you use IMAP4 (with VPOP3 Enterprise).

MX Send Warning - .....

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

MX Send Warning - ..... If you see the text 'MX Send Warning - ' in the VPOP3 status monitor, that means that VPOP3 is trying to send a message to another mail server using the MX send method (direct to the recipient's mail server) and

Outlook/Windows Messaging reports "No transport provider is available"

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Outlook/Windows Messaging reports "No transport provider is available" If Outlook or Windows Messaging reports No transport provider is available when trying to connect to VPOP3, it can mean several things. (This must be a contender for “the world's most meaningless error message

Outlook / Outlook Express is sending mail repeatedly

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Outlook / Outlook Express is sending mail repeatedly If you are using Outlook or Outlook Express you may occasionally find that mail is being sent repeatedly. There are a couple of possible reasons for this which we know of Sending taking too long

VPOP3 - POP3 Client Problem

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 - POP3 Client Problem These errors occur whilst VPOP3 is communicating with your ISP's POP3 mail server to retrieve your mail. The server connection was closed unexpectedly If the message text is Error with Pop3 Client (XXXX (YY)) The server connection was closed unexpectedly

POP3/Webmail/IMAP4 can't see a user's messages, but the administrator can

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

POP3/Webmail/IMAP4 can't see a user's messages, but the administrator can Version 2.x only. This problem does not occur with version 3 or later. This problem can happen if the user's message index database has become damaged. The POP3, Webmail & IMAP4 services get the message summary data from the database, whereas the administrator console gets the message information directly from the message files on the disk, so if the database is corrupted, the administrator console can still see the mess…

PostgreSQL Replication

Anonymous (anonymous@undisclosed.example.com) — 2019-02-06T17:10:31+00:00

PostgreSQL Replication PostgreSQL 9.1 (used in VPOP3 5 and later) supports replication from a 'Master' to a 'Slave' database server. This can be used with VPOP3 for having a near-realtime backup of your settings & messages. To use the replication, you need to have a file share which is accessible from both PCs. The thing to watch out for is that the PostgreSQL services may be running as a different user from the currently logged in user, so make sure that the user(s) which the PostgreSQL servi…

Recovering messages from corrupted database into fresh database

Anonymous (anonymous@undisclosed.example.com) — 2025-09-11T13:48:07+00:00

Recovering messages from corrupted database into fresh database If the VPOP3 message database is corrupted, then one option is to build a fresh database and restore the settings into it, then recover the messages from the old database using the 'Message Restore' function in VPOP3. This has minimal downtime, but old messages will not all be available until the restore has completed. New messages will be available quickly, and you will be able to send messages.

How to remove messages from the outbound queue

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to remove messages from the outbound queue To delete messages from the VPOP3 'OutQueue': * log into the VPOP3 settings * go to the Users page * click on the OutQueue entry in the accounts list. This will show you a list of all the messages waiting to be sent by VPOP3

Repairing corrupted database

Anonymous (anonymous@undisclosed.example.com) — 2024-01-15T11:35:45+00:00

Repairing corrupted database With PostgreSQL (as with most high-end databases) the database system will automatically recover after power failures etc, if it can. If it can't then there is no manual 'repair' function, because the data cannot totally be recovered (or it would automatically have been recovered).

Require SMTP Authentication

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Require SMTP Authentication There are some situations where VPOP3 needs to know who is sending mail. This may be if you have VPOP3 configured to behave differently depending on who is sending messages - eg if you have different message size limits depending on the sender, or if you have message monitoring configured for certain users, or you don't want certain people to be able to send mail at all.

How to Restore a backup of VPOP3

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

How to Restore a backup of VPOP3 The instructions below are to restore a full backup. You may also be able to recover deleted messages if you do not need to restore a full backup. Version 5 or later If you just need to restore a database backup, see steps 4 to 7 below.

Restore a database backup

Anonymous (anonymous@undisclosed.example.com) — 2025-12-17T09:19:40+00:00

Restore a database backup By default VPOP3 makes a daily backup of the VPOP3 database to a file 'DBBACK-n.DMP' in the VPOP3 installation directory (it is possible to change this in the settings). These are cycled on a weekly basis so you will usually have the last seven days' worth of backups. These can be useful if the database gets damaged somehow.

Restore Deleted Calendars

Anonymous (anonymous@undisclosed.example.com) — 2022-11-18T11:43:52+00:00

Restore Deleted Calendars This article will help if a user has been deleted and all their calendars are lost and need to be restored. Note that this functionality is not built into VPOP3, and requires the use of Python3 to run a script First you need to install Python 3.8 or later, and the psycopg2 plugin

Restricting the number of messages sent

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Restricting the number of messages sent Some ISPs set restrictions on the number of messages that you are allowed to send in a certain time period, eg 50 messages per hour, or the number of messages that you are allowed to send per connection. Restriction of messages per connection

Route MX Sent (Direct) Outbound Mail Through Your ISP

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Route MX Sent (Direct) Outbound Mail Through Your ISP Some mail providers (for example Hotmail, AOL and GMail) will reject mail sent from servers running on dynamic IP addresses. It is possible to route such mail through your ISP's relay server whilst still sending most mail direct to the recipient server using MX

Sender Policy Framework / SPF

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Sender Policy Framework / SPF SPF is a system used to tell mail servers which IP addresses can send mail from which domains. It is designed to reduce 'spoofing' of email addresses. For instance, if you receive an email message from your bank, your mail software can check that it came from an IP address authorised to send mail from your bank, and treat the message with suspicion if it didn't come from an authorised IP address.

Setting up VPOP3 to work with Microsoft Exchange

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Setting up VPOP3 to work with Microsoft Exchange * Exchange 2003 * Exchange 2007 * Using advanced VPOP3 features with Exchange (eg monitoring, etc) * Using VPOP3 Spam Filtering with Exchange * How to 'share' domains between Exchange and VPOP3 Note that the VPOP3 settings are identical whichever version of Exchange you are using (5.5, 2000, 2003, 2007, 2010 or any later version), but the relevant settings in Exchange may move or be renamed between versions. If you are using a differe…

Setup steps for multiple POP3 accounts at the ISP

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Setup steps for multiple POP3 accounts at the ISP * Set up all the local users you need in the 'Users' page in the VPOP3 settings. The usernames & passwords do not have to have any relation to the ISP's accounts. These are the details which the users will put in their email clients (eg Outlook) to collect their mail from VPOP3.

Signing outgoing mail with DKIM

Anonymous (anonymous@undisclosed.example.com) — 2020-07-22T10:32:40+00:00

Signing outgoing mail with DKIM DKIM, also known as DomainKeys Identified Mail, is a form of email authentication that digitally signs emails to prove that they were sent from authorized domains and aren't fake emails. Companies like Google and Yahoo use DKIM to sign their emails and it is becoming ever more popular.

Spanish Webmail Language File

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Spanish Webmail Language File Copy/paste the text below to a file 'spanish.lng' or 'espanol.lng' in the VPOP3 directory. (Spanish users, feel free to update/correct the text below) #login page logintitle=VPOP3 Login webadminlogin=web admin login webmaillogin=web mail login enterusername=Especificar aca el usuario de Correo bookmarksnotsupported=Disculpe, pero su navegador no soporta esta funcion. loginfailed=Login Fallido - Favor reintente nuevamente invalidlogin=Detalles del login inválidos…

Timeout while VPOP3DB is starting

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Timeout while VPOP3DB is starting (Note that VPOP3 v6.11 and later, the service startup system has changed so it should not suffer from this problem) When VPOP3DB starts up, the service control manager component waits a set time for a response from the database server before it knows the service has started. If the PC is going slow (eg after a Windows update or if the PC is just slow) then this wait may not be long enough.

Undelete Messages in VPOP3 Enterprise v5 or later

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Undelete Messages in VPOP3 Enterprise v5 or later If a user accidentally deletes messages or a message folder, you can easily undelete this within a few days. The amount of time that messages are stored in the VPOP3 'recycle bin' is set in Settings

How To Move VPOP3 Version 2 to a New PC

Anonymous (anonymous@undisclosed.example.com) — 2019-11-12T16:06:44+00:00

How To Move VPOP3 Version 2 to a New PC (Also applies to version 1.x) To move VPOP3 to a new PC you should go through the following steps: * Copy the VPOP3 files * Copy the VPOP3 directory and subdirectories from the old PC to the new PC. (If you are moving to Windows Vista/2008/7/2012/8 or later, do NOT copy the files to a 'Program Files' folder on the new PC. Recent versions of Windows have special protection for those folders, which is not compatible with VPOP3)

VPOP3 Deleting messages as 'old' messages

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Deleting messages as 'old' messages If VPOP3 says 'deleting old message' in the status window activity log that means that it has seen the unique ID of that message before, longer ago than the time specified for VPOP3 to leave messages on the server, so it thinks that the message is an old message, and so deletes it.

SMTP Relay Protection in VPOP3

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

SMTP Relay Protection in VPOP3 SMTP Relay Protection should be used on ALL SMTP mail servers (such as VPOP3) which have a permanent connection to the Internet. You may also want to use it on servers which are only connected occasionally via a dial-up connection.

VPOP3 Server Access Not Allowed

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Server Access Not Allowed If you get an error like: -ERR VPOP3 Server access not allowed! when trying to access VPOP3, then this means that the relevant server's IP Access Restrictions defined in VPOP3 do not allow access from your client computer.

Archive Script

Anonymous (anonymous@undisclosed.example.com) — 2023-03-25T23:33:31+00:00

Archive Script (from VPOP3 v6 onwards) Archive scripting lets you indicate whether full message content should be stored in the message archive. This could be used, for instance, for filtering out messages containing credit card details. The message headers will still be archived, along with the explanation text returned by the script.

Attachment Extraction Scripting

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Attachment Extraction Scripting This is the 'extraction.lua' script. (Added in V6.17) This script has one functions: * Extract This functions is called if the attachment extraction is enabled in Settings -> Attachment Processing -> Extraction.

Database files used in VPOP3 2.x

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Database files used in VPOP3 2.x VPOP3 2.x usually uses SQLite 2.8.3 as its database engine. This stores databases in discrete *.db files in the VPOP3\_database directory on the server PC. We do not recommend that you access these databases directly unless you know what you are doing, and we strongly discourage the alteration of data in the databases directly unless technical support request you to.

DMARC Reporter Script

Anonymous (anonymous@undisclosed.example.com) — 2023-11-12T09:51:40+00:00

DMARC Reporter Script (from VPOP3 v8.6 onwards) This script lets you customise how VPOP3 sends DMARC reports to the sending domain. This can be useful in case the sending domain's DMARC configuration is incorrect as that can cause errors sending the reports or cause messages to be 'stuck' in VPOP3's Outqueue. These problems won't cause any lasting damage, but may be inconvenient or annoying, so you can alter the behaviour using Lua scripting

Message Archive

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Message Archive The Message Archive facility is for VPOP3 to store copies of all messages sent or received. It stores the messages in a central archive store which can be searched by an administrator. The prime purpose of the archive facility is for recording messages in case of possible disputes, as you can see what was sent/received by email. It can also be used as a backup/restore facility in an emergency, but that is not its prime purpose, so it is better to have a proper

Outgoing Message Scripting

Anonymous (anonymous@undisclosed.example.com) — 2024-03-21T10:49:54+00:00

Outgoing Message Scripting Every time VPOP3 adds a message to the Outgoing mail queue, it runs a script called outmessage.lua. Scripts are stored as files in the VPOP3 directory in VPOP3 v6.6 and earlier, or managed through the Settings -> Scripts page in VPOP3 v6.7 and later.

VPOP3 Reference

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

VPOP3 Reference This is a reference guide for VPOP3 version 3 or later's settings. For details on how to do things, rather than what a particular button does, see the how to section. Also see the online manual: * Users * Lists * Mappings * Mail Connectors * Services * Settings * Status * Reports * About * Status Monitor *

Scheduled Task Script

Anonymous (anonymous@undisclosed.example.com) — 2021-08-09T10:55:07+00:00

Scheduled Task Script Note that this functionality is only available in VPOP3 Enterprise VPOP3 Enterprise can run Lua script periodically to do custom background tasks. It can run a function every minute, 5 minutes, hourly or daily. The Lua script is stored in a file called

Scheduling Management Scripts

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Scheduling Management Scripts VPOP3 runs a script called scheduler.lua in the background, it will periodically call functions in this script at approximately 1 minute, 5 minute, 1 hour and 1 day intervals. These times are only approximate so should not be relied upon for timing.

Signature Script

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Signature Script If you want more complex signatures on outgoing emails, rather than the static text/HTML you can define within VPOP3, then you can use a simple Lua script to define the signature. The Lua script is stored in a file called signature.lua

SMTP Service -> Advanced Tab

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

SMTP Service -> Advanced Tab Services -> SMTP Server -> Advanced Tab Refuse SMTP Connections from This setting should be rarely needed, and should be normally left blank. It is here for historic purposes. If you put some text in this box, then VPOP3 will refuse any SMTP connections from clients whose 'HELO'/'EHLO' command data contains the text specified here as a substring. Eg, if this setting is set to '.myisp.com', then VPOP3 would refuse SMTP connections from any client which sends the c…

SMTP -> Load Limiting tab

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

SMTP -> Load Limiting tab This page is reached from Services -> SMTP Server, then the Load Limiting tab. Here you can set limits on how many active SMTP sessions there are, and other related settings. This lets you limit the load on the VPOP3 server. This is especially important if VPOP3 is performing spam filtering on incoming SMTP messages, because the spam filter can add considerable load. You can reduce the spamfilter load by using the

Use the spam filter scripting to add fixed text to the subject on incoming messages

Anonymous (anonymous@undisclosed.example.com) — 2021-12-13T15:20:04+00:00

Use the spam filter scripting to add fixed text to the subject on incoming messages This needs VPOP3 version 5 or later. This script allows you to add fixed text to the subject an incoming message, eg so that users can see that a message is an incoming rather than local message (be aware of weaknesses in this strategy - eg forwarded messages, spoofing of the marker, breaking DKIM message signatures, etc)

Use the spam filter scripting to add random text to the subject on incoming messages

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Use the spam filter scripting to add random text to the subject on incoming messages This needs VPOP3 version 5 or later. This script is for the case where you want a message to the 'support' user to have the text [XXX-99999] added to an incoming message's subject if it does not already exist. Some people want this text to use as reference numbers for a

Spam Filter Rules: DefineRule

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Spam Filter Rules: DefineRule Statement DefineRule Version 2.1.9+ Purpose Defines a rule name, default weighting and description. See Rule names and weights The DefineRule statement requires a name, default weight and description, in the format DefineRule "" ""

Spam Filter Rules: GetDecodedSection

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Spam Filter Rules: GetDecodedSection Statement GetDecodedSection Version 2.1.11+ Purpose Returns a specified MIME section of a message into a variable, after processing any Base64 or Quoted-Printable encoding of the raw message data The GetDecodedSection

User Advanced settings

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

User Advanced settings The Edit User → Advanced tab contains some 'advanced' settings for a VPOP3 user. Message Recycle Bin In VPOP3 Enterprise (v5 and later) the Message Recycle Bin will keep messages in the message store for a short time after the user has deleted the messages. This is to allow easier recovery from the inevitable case where a user has deleted messages by mistake, and wants them back.

User Delivery Script

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

User Delivery Script (VPOP3 v6.5 or later) If there is a /delivery.lua script, this Lua script can override VPOP3's message delivery options. You can edit this in the Settings -> Scripts page in the settings. This script affects how VPOP3 will handle how messages being delivered to this user are handled.

User Manager Script

Anonymous (anonymous@undisclosed.example.com) — 2024-04-22T08:37:38+00:00

User Manager Script If you want people to be able to log in using a different username than their VPOP3 username (eg if you want them to be able to log in using an email address), then you can use the UserManager Lua script The Lua script is managed through the Settings → Scripts page in VPOP3 v8.0 and later and is called 'UserManager.LUA.

Users.AutoresponderConditions table

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Users.AutoresponderConditions table The Users.AutoresponderConditions table contains a record of all autoresponder trigger conditions created in VPOP3. These tell VPOP3 when a particular autoresponder should fire for a particular user. Each autoresponder can have zero or more conditions. An autoresponder with zero conditions will never fire but can be reactivated later by adding a new condition.

VPOP3.SetSetting

Anonymous (anonymous@undisclosed.example.com) — 2021-03-09T16:37:10+00:00

VPOP3.SetSetting The Lua function 'VPOP3.SetSetting' sets a general setting forVPOP3 It takes two parameters: * The name of the setting. This can either by the 'Name' field of the 'Settings.Settings' database table or the internal setting name * The data to set (must be a string)

Spamfilter White/Blacklists

Anonymous (anonymous@undisclosed.example.com) — 2018-11-14T10:45:49+00:00

Spamfilter White/Blacklists This lets you set whitelists & blacklists for the spam filter. There are four lists you can manage. The Whitelist Addresses & Blacklist Addresses lists let you specify sender email addresses to check. With the default rule weights, if a sender's address is on the Whitelist, it will be allowed through the spam filter, and if it is on the Blacklist it will be blocked. If an address is on both the Whitelist and the Blacklist, they will cancel each other out, and the me…