https://wiki.pscs.co.uk/ 2026-05-13T09:51:06+00:00 https://wiki.pscs.co.uk/ https://wiki.pscs.co.uk/_media/wiki:dokuwiki.svg text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:upgrade_vpop3?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:vpop3_access_security?rev=1542192349&do=diff How To Setup VPOP3 Service Security VPOP3 can be configured to restrict access to its various services depending on the client computer's IP address. This is useful if you want to allow access from only certain IP addresses (eg within your LAN) and prevent access from other IP addresses (eg the Internet). text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:pop3_collection?rev=1542192349&do=diff POP3 Mail Collection POP3 Mail Collection is when VPOP3 will collect mail from an external POP3 mailbox - for instance, from an Internet Provider. POP3 General This page tells VPOP3 how to collect mail. * POP3 Server Address - this is the name (or IP address) of the POP3 server from which you want VPOP3 to collect mail text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/adminapi:userruleactions?rev=1542192349&do=diff UserRuleActions Replacement Use: ~userruleactions~ <format string> ~end~ Required parameter: Account, RuleId This returns the message rule actions for the specified rule The format string can have the replacements * id - numeric ID of the action * type - action type text/html 2025-10-14T15:43:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:gdpr_hosted_vpop3?rev=1760456581&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:how_do_i_write_an_email_to_technical_support?rev=1542192349&do=diff 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: text/html 2025-05-21T07:57:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:allowing_mail_relay_through_vpop3?rev=1747814238&do=diff 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… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:compatibility_with_spampal?rev=1542192349&do=diff Compatibility with SpamPal Some users have reported a problem installing/running the PostgreSQL component when the 'SpamPal SMTP Transparent Feature' is enabled. Disabling this feature has resolved the problem for these users. Unfortunately we don't have further information on this, as we don't use SpamPal ourselves, but the above information may be useful if you have this problem. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:configure_email_signatures?rev=1542192349&do=diff Configure Email Signatures * Global Signatures * Personal Signatures * Webmail Signatures Notes When creating a signature it is generally best to keep it as short as possible. Disclaimers & confidentiality notices in emails are generally regarded as having little or no legal significance, so lengthy signatures just use up bandwidth. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:don_t_download_big_messages_during_the_working_day?rev=1542192349&do=diff Don't download big messages during the working day using Download Rules Say you don't want to download messages over 10,000,000 bytes long between 8:00am and 6:00pm. To do this, create a download rule as: * Rule Type: Ignore * Match Type: All Conditions text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:french_webmail_language_file?rev=1542192349&do=diff 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… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:german_webmail_language_file?rev=1542192349&do=diff 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 m&uuml;ssen 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 … text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:handling_mail_for_multiple_incoming_domains?rev=1542192349&do=diff Handling mail for multiple incoming domains VPOP3 can easily handle mail for several incoming domains. Exactly how you do it depends on the exact situation. All domains are 'aliases' If the domains are aliases of each other, for instance, you have 'mycompany.com' and 'mycompany.org', both of which are the same, so each address at mycompany.com also exists at mycompany.org, and the emails go to the same people regardless of which domain is used, then you simply configure the domains in the ma… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:incoming_smtp_feed?rev=1542192349&do=diff Incoming SMTP Feed An incoming SMTP feed is where incoming mail is sent directly to your mail server without going through your ISP's POP3 mail server on the way. Advantages An incoming SMTP feed has several advantages over going via a POP3 mailbox: text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:pop3_client_problem?rev=1542192349&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:spanish_webmail_language_file?rev=1542192349&do=diff 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… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:use_download_rules_for_incoming_pop3_filtering?rev=1542192349&do=diff Use Download Rules for incoming POP3 message filtering If you have VPOP3 retrieving messages from a POP3 account on an ISP, then you can use Download Rules to do basic filtering on incoming messages. (If you have incoming SMTP, then use SMTP Rules instead) Download rules cannot perform all mail filtering tasks. For more features, text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:using_a_mobile_phone_with_vpop3?rev=1542192349&do=diff Using a Mobile Phone with VPOP3 Many people want to use a mobile phone to send/receive their email nowadays. This is usually easy to do with VPOP3. The recommended way is to have the phone connect directly to VPOP3 for sending/receiving email. To do this, you need to do three things: text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:vpop3_is_using_a_lot_of_disk_space?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:your_connection_has_been_blocked_temporarily_-_try_again_later?rev=1542192349&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/mailapi:userruleactions?rev=1542192349&do=diff UserRuleActions Replacement Use: ~userruleactions~ <format string> ~end~ Required parameter: RuleId This returns the message rule actions for the specified rule The format string can have the replacements * id - numeric ID of the action * type - action type text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:archive_general?rev=1542192349&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:misc_advanced?rev=1542192349&do=diff Misc -> Advanced Tab Settings -> Misc Settings -> Advanced You will normally not need to change any settings on this page unless VPOP3 technical support have suggested it. If you do make changes, and want to go back to the original settings, the Restore Defaults button will restore the settings to their defaults. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:smtp_advanced?rev=1542192349&do=diff 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… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:user_autoresponder?rev=1542192349&do=diff Autoresponder An autoresponder is a way of automatically replying to messages as they arrive in a user's mailbox. In VPOP3, an incoming message must arrive in a user's mailbox for the autoresponder to trigger. If you use forwards, assistants, mappings, etc to divert a message before it arrives in the mailbox, the autoresponder will never trigger. If you want to use an autoresponder, but not keep the original message, then make sure the message arrives in the mailbox (eg by using an 'Assistant'… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:user_prune_rules?rev=1542192349&do=diff Prune Rules The Edit User -> Prune Rules tab can be used to create/edit rules which cause messages to be automatically deleted according to specified criteria. To add or edit a “prune rule”, press the Add Rule button. This will add a new rule to the table, with a set of default settings. Don't worry, this rule doesn't take effect until you press the Submit button. text/html 2023-03-27T10:32:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:user_routing_script?rev=1679913138&do=diff User Routing Script If there is a <username>/user_redirect.lua script, this Lua script can override VPOP3's message routing options. You can edit this either in the Settings -> Scripts page in the settings, or via the 'Routing' tab in the user's settings in the VPOP3 administration console. This script affects how VPOP3 will handle how messages text/html 2026-03-16T16:00:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/wiki:syntax?rev=1773676810&do=diff Formatting Syntax DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing text/html 2022-10-01T11:36:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/start?rev=1664624204&do=diff VPOP3 Wiki Welcome to the VPOP3 Wiki. Here you will find VPOP3 documentation, FAQs and “How To” articles * FAQs * How Tos / Troubleshooting * Reference * Tips & Tricks If you want to add information, hints & tips, etc, you can register on this Wiki and modify or create new pages. Please don't ask questions on the Wiki; if you have a question, ask it on text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:gdpr_for_vpop3?rev=1542192349&do=diff GDPR for VPOP3 self-hosted software VPOP3 is an email server program, it is not a service, so if you use VPOP3 on your own computer we are not a “data controller” or a “data processor” under GDPR rules as we never see any of your data (unless you give us permission to remotely connect to your PC for technical support purposes). text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:gdpr_other_hosting?rev=1542192349&do=diff GDPR for other hosting services (eg web hosting) As a hosted service provider, we are classed as a “Data Processor” under the GDPR regulations. For our hosting services: * Data is held in the UK. Data is not transmitted outside of the EU except at your explicit request or command. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:how_do_i_get_support?rev=1542192349&do=diff How do I get support? You can get support for our software products in several ways. By telephone * You can purchase an annual priority support contract. The cost depends on your current VPOP3 licence, and costs 50% of the licence price per year (with a minimum of £100) per software licence (+VAT if applicable) . This entitles you to software upgrades, remote support and telephone support during UK office hours and priority email support where we aim to respond to your email within 3 hours … text/html 2021-06-29T08:35:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:smtp_relay_service?rev=1624955743&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:vpop3av?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:what_is_vpop3_software_maintenance?rev=1542192349&do=diff What is Software Maintenance? VPOP3 Software Maintenance includes basic email support (target turnaround within 3 days) as well as version upgrades (eg 6.19 to 6.20) free of charge when they are released during the period of validity of your Software Maintenance. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/faq:what_is_vpop3_upgrade_protection?rev=1542192349&do=diff What is Software Maintenance? VPOP3 Software Maintenance includes basic email support (target turnaround within 3 days) as well as version upgrades (eg 4.x to 5.x) free of charge when they are released during the period of validity of your Software Maintenance. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:550_not_permitted?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:allow_remote_access_to_vpop3_mailboxes?rev=1542192349&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:calendars?rev=1542192349&do=diff Calendars To use the calendar facility in VPOP3 you need a CalDAV aware client. We have tested it with the free Mozilla Sunbird & Lightning products as well as the emClient email client. These products need a URL to be able to access the CalDAV data store. Once you have the URL (see below), copy it into the text/html 2025-08-18T15:28:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:configure_srs?rev=1755530891&do=diff 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' text/html 2026-03-23T10:18:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:create_an_ssl_certificate?rev=1774261123&do=diff How to create an SSL Certificate VPOP3 Enterprise supports SSL certificates for encrypted sessions. The basic mechanism to create an SSL certificate is that you have to generate a CSR (Certificate Signing Request) then send that to a CA (Certificate Authority) who will sign your certificate and give you the certificate back. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:database_disk_caching?rev=1542192349&do=diff Database & Disk Caching Disk Caching One key point is that, like all other high-end databases, PostgreSQL should not be run on a server with disk level write back caching. With write back caching, the disk will report data as being written to disk when it is still in the disk's cache memory. If the power then fails, this data is lost and can cause database corruption. As long as the database server really knows when the data has been written to disk, power failure will not cause database corru… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:database_maintenance?rev=1542192349&do=diff 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… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:err_mailbox_locked?rev=1542192349&do=diff -ERR Mailbox Locked error If your email client displays an '-ERR Mailbox Locked' or '-ERR [IN-USE] Mailbox Locked' error when trying to log into VPOP3 it means that the mailbox is locked. The POP3 standard requires that POP3 mailboxes have an 'exclusive lock' on them when they are in use. This means that only one POP3 client can access the mailbox at once. Also, if a POP3 mailbox is currently accessing a mailbox, then no IMAP4, Webmail or administrator access is allowed to the mailbox at the s… text/html 2025-08-18T15:13:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:forward_messages_to_an_external_address?rev=1755529986&do=diff How to Forward Messages to an External Address There are two possible methods to forward messages to an external address: * Use this method if it is for a person who might want to receive their email whilst in the office and/or get the mail sent to an external address. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:how_to_tell_vpop3_some_users_in_the_local_domain_are_not_to_be_handled_by_vpop3?rev=1542192349&do=diff How to tell VPOP3 that some users in the local domain are not to be handled by VPOP3 In some situations you will have a situation where most of your users are handled by VPOP3, but several users will collect their mail directly from a separate POP3 account on your ISP, even though they may have an email address on the same domain as other users. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:installing_postgresql_database_on_another_port?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:invalid_helo_name?rev=1542192349&do=diff SMTP error 'Invalid HELO name' When sending mail you may get an error from the remote SMTP server saying something like 'Invalid HELO name' This happens if the host name configured in VPOP3 does not look like a valid Internet host name (e.g. 'mail.domain.com'). Some SMTP servers don't bother checking this value because it has no authentication value at all, but a few do check that it looks correct. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:performance_requirements?rev=1542192349&do=diff Performance Requirements The performance requirements for VPOP3 depends on many factors, so we can't give specific details for any scenario. How to detect limiting factors * Use the Windows Performance Monitor (perfmon.msc) * Add counters for: text/html 2019-02-06T17:10:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:postgresql_replication?rev=1549473031&do=diff 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… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:rbl_checking_not_working_in_vpop3_enterprise?rev=1542192349&do=diff RBL Checking not working in VPOP3 Enterprise VPOP3 Enterprise has an RBL checking feature which is configured in the VPOP3 Settings at Services -> SMTP Server -> SPAM Reduction -> Realtime Blacklist Rules If it does not seem to be working properly, there are a few reasons why the RBL feature may not work. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:require_smtp_authentication?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:seeing_where_a_message_came_from?rev=1542192349&do=diff Seeing where a message came from Sometimes you need to check to see where a message really came from. The 'From:' email address is easily forged, so that cannot be relied upon. The first thing you have to do is to get the full message headers. These may look daunting, but are very useful for problem diagnosis. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:status_monitor_is_open?rev=1542192349&do=diff Status Monitor is open during installation During installation, if the installer says that the VPOP3 Status Monitor is open, and won't let you install VPOP3, that means that Windows is refusing to let the installer overwrite the VPOP3STATUS.EXE program. Usually that means that it is currently running. text/html 2019-11-08T15:37:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:upgrade_vpop3_to_version_5?rev=1573227472&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:using_advanced_vpop3_features_with_lan_forwarding?rev=1542192349&do=diff Using VPOP3 Advanced Features with LAN Forwarding If you are wanting to use any of VPOP3's advanced features (such as mailing lists, message monitoring, wildcard aliases etc) because you are LAN forwarding to a less capable server, then you will usually need to have VPOP3 do all its normal message routing functions initially, then, as the final stage have it forward the messages on to the other server. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:using_vpop3_spam_filtering_with_lan_forwarding?rev=1542192349&do=diff Using VPOP3 Spam Filtering with LAN Forwarding When using the VPOP3 Spam filter with LAN forwarding you need to be aware a bit of how it works. The spam filter will only quarantine messages which are going to a VPOP3 user. This is because that user needs to be able to log into VPOP3 to be able to view their quarantined messages. text/html 2019-11-12T16:09:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:v3_-_move_to_a_new_pc?rev=1573574948&do=diff 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 text/html 2021-03-19T16:01:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:v5_-_move_to_a_new_folder?rev=1616169708&do=diff How to move VPOP3 V5+ to a new folder This guide assumes you want to move the whole of VPOP3 (including the message store) to a new folder on the same PC * Stop VPOP3 * Stop VPOP3DB * Remove the VPOP3DB service * Move VPOP3 to the new folder text/html 2026-04-21T11:12:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:v5_-_move_to_a_new_pc?rev=1776769960&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:vpop3_sending_high_volumes_of_unrecognised_mails?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/mailapi:spellcheckaddword?rev=1542192349&do=diff SpellCheckAddWord This adds an entry to the user's custom spell check dictionary The data specified is: * Formaction - SpellCheckAddWord * Word - word to add * Action - ignore (don't mark the word as incorrect) or exclude (always mark the word as incorrect) text/html 2023-08-02T08:22:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:access_restrictions_internal_format?rev=1690964557&do=diff Access Restrictions Internal Format VPOP3 internally stores service IP Access Restrictions in its settings database using the following format to encode the multiple entries These are stored in the settings database as *ALLOWED*.DAT (using VPOP3SETTINGS GET *ALLOWED*.DAT will list them) text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:alter_lan_forwarding_queued_messages_going_to_one_server_to_go_to_another?rev=1542192349&do=diff Database query to alter LAN Forwarding rules for one server to go to another If a LAN forwarding destination server fails, you may wish to change the queued messages to go to the new server. (Note that, if planning ahead, it may be easier to use DNS text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:alter_lan_forwarding_rules_for_one_server_to_go_to_another?rev=1542192349&do=diff Database query to alter LAN Forwarding rules for one server to go to another If a LAN forwarding destination server fails, you may wish to change the LAN forwarding rules to point to the new server. (Note that, if planning ahead, it may be easier to use text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:attachment_extraction_script?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:database_schema_used_in_vpop3_5.x?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:global_address_book?rev=1542192349&do=diff Settings -> Global Address Book The VPOP3 global address book allows users to access a shared address book from any email client which supports the 'LDAP' protocol (most modern email clients do, but they may call it 'directory service' Importing Entries text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:imap4_advanced?rev=1542192349&do=diff IMAP4 -> Advanced tab This page is reached from Services -> IMAP4 Server, then the Advanced tab. Here are some advanced options for the IMAP4 service in VPOP3 Fake access to inaccessible mailboxes In the IMAP4 service you may have folders which do not exist. For instance, if you are accessing a shared Inbox folder from a user called 'Karen', then their folder will be called text/html 2026-02-24T15:49:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:lua_smtp_mx_control?rev=1771948188&do=diff 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: text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:message_monitoring?rev=1542192349&do=diff Message Monitoring Message monitoring in VPOP3 will tell VPOP3 to send a copy of all the outgoing, internal and/or incoming mail from/to specified users to be sent to another specified user. In the current versions of VPOP3, all monitored messages are sent to the same user (or list), you cannot specify different recipients for different monitored users. (This may be something that is added/enhanced in the future) text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:misc_general?rev=1542192349&do=diff Misc -> General Tab VPOP3 Host Name The VPOP3 Host Name is used by VPOP3 when it is telling other mail software what it is called. For instance, when it connects to another SMTP server it will send the host name as the parameter for the HELO or EHLO command, and when an SMTP client connects to VPOP3, it announces its name in the welcome banner as required by the SMTP standard. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:schedule?rev=1542192349&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:sender_advanced_relay_settings?rev=1542192349&do=diff Mail Sender Advanced Relay Settings SMTP Return Address The SMTP Return Address (or Return Path) is a hidden part of a message which says where bounce messages (and other automated responses) should be sent. (It is not the same as the Reply address text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:sender_direct_settings?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_checkrecipient?rev=1542192349&do=diff Increase the spam score for certain recipients This script is for the case where you want certain recipients to have a weighted score. For instance if you have users who have left and who mostly receive spam, but you don't want to reject their mail totally. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:user_routing?rev=1542192349&do=diff User Routing Options Assistant The assistant for a user is an email address (or set of email addresses, separated by semicolons) where incoming messages to this user will be copied or redirected. Normally messages will be copied to the assistant, but if the text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:users_autoresponders?rev=1542192349&do=diff Users.Autoresponders table The Users.Autoresponders table contains the users' autoresponder definitions Columns * autoresponderid - this is a numeric id of the autoresponder entry (primary key) * owneruser - this is the numeric id of the user which the autoresponder belongs to (or 0 for a 'template' autoresponder) text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:using_tables?rev=1542192349&do=diff Using tables/grids Many VPOP3 settings pages use grids to show you a set of data, for instance on the Users, Mappings and Lists pages. These have several standard features which are described below. * Most of the grids are 'delayed-fill'. This means that they don't fill up with data immediately when the page is loaded, this is to speed up the page load times. Only the first (visible) section of the grid is filled at first (sometimes there may be a short delay before this is filled, if the da… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:webmail_advanced?rev=1542192349&do=diff Webmail -> Advanced tab This page is reached from Services -> Webmail Server, then the Advanced tab. Here you can set various options for the VPOP3 Webmail/settings service. Allow Password in URL If you check this option, then you can specify the user's password in a