https://wiki.pscs.co.uk/ 2026-05-06T11:51:09+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:creating_extra_smtp_services?rev=1542192349&do=diff Creating Extra SMTP Services In VPOP3 Enterprise (not VPOP3 Basic) you can create multiple SMTP services. This can be useful if you want VPOP3 to listen on different ports and/or have different settings. There are two ways of doing this. Have a single SMTP service listening on multiple ports or IP addresses text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:exchange_2003?rev=1542192349&do=diff Setting up VPOP3 to work with Exchange 2003 The instructions below are for Exchange Server 2003. For other versions of Exchange see here. 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. 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 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:exchange_2007?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:installed_new_router_and_now_nothing_works?rev=1542192349&do=diff We installed a new router and now nothing works If you installed a new router on your network and left it at the default settings, you may find that VPOP3 doesn't seem to work afterwards. This is because it may be that the new router allocates new IP addresses on your network. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:isp_needs_smtp_authentication?rev=1542192349&do=diff The ISP needs SMTP Authentication If your ISP needs you to use SMTP authentication when sending mail to them, then you just need to tell VPOP3 to use authentication when sending. Click the Mail Connectors button at the top of the page, then click on the relevant text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:setup_steps_for_multiple_pop3_accounts_at_the_isp?rev=1542192349&do=diff 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. text/html 2019-11-12T16:06:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:v2_-_move_to_a_new_pc?rev=1573574804&do=diff 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) 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 2019-11-13T15:35:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:1069_-_login_failure_-_error_when_starting_vpop3db_service?rev=1573659355&do=diff 1069 or 7000 Login Failure error when starting VPOP3DB service A 1069 or 7000 login failure error when starting the VPOP3DB service usually means that something is 'wrong' with the vpop3postgres account in Windows - the password may have expired, or someone may have reset the password. text/html 2022-01-26T10:47:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:calendar_in_mozilla_lightning?rev=1643194055&do=diff Calendars in Mozilla Thunderbird The Thunderbird email client supports CalDAV calendars as standard. This can be used to access VPOP3's CalDAV server. To add a VPOP3 CalDAV calendar to Mozilla Thunderbirdis straightforward * Add the calendar to Thunderbird text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:calendars_on_em_client?rev=1542192349&do=diff Calendars on eM Client If you have used CalDAV calendars on Mozilla Lightning/Sunbird, then the eM Client configuration is quite different, but simple. To add a CalDAV account to eM Client * Go to Tools -> Accounts * Click New Account... * Open the text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:copy_outgoing_mail?rev=1542192349&do=diff Copy Outgoing mail Sometimes people need to copy outgoing mail for various reasons. There are several ways of doing this in VPOP3 depending on your exact requirements: * Message Monitoring - this copies all outgoing, incoming and/or internal mail sent by/to specific users to another specific user text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:create_a_mail_sender?rev=1542192349&do=diff How to create a Mail Sender In VPOP3 a Mail Sender tells VPOP3 how to send mail out to another mail server, usually for sending mail across the Internet. To create a mail sender, go to the VPOP3 Settings, then Mail Connectors. In the Mail Senders section on the left, choose 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_size?rev=1542192349&do=diff 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,… text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:delete_a_connection?rev=1542192349&do=diff How to delete a Mail Collector or Connection To delete a Mail Collector or Connection in version 3, click on the little waste-bin icon at the left of the green bar on the Mail Collector or Connection settings page. We have made this more obvious in version 4, by including a bigger text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:ical_on_mac_osx?rev=1542192349&do=diff 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 text/html 2026-04-06T17:57:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:make_vpop3_redownload_messages_from_isp?rev=1775498220&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:mozilla_thunderbird?rev=1542192349&do=diff 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). text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:obtaining_message_headers?rev=1542192349&do=diff How to Obtain Message Headers Most people are familiar with mail headers such as From:, To:, Subject: etc. but there are many more which most people never see. Quite often we need to see the full internet mail headers from an e-mail that is causing problems. This article explains how to get hold of them in some of the more common e-mail clients. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:obtaining_windows_event_log?rev=1542192349&do=diff Obtaining Windows Event Log Sometimes, the VPOP3 technical support team may need to see entries from the Windows Event log, especially those relating to VPOP3 or the PostgreSQL service. If there are too many entries simply to copy, you can save them to a file to email to technical support. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:sharing_folders?rev=1542192349&do=diff Sharing IMAP4 folders Some email clients will allow you to share IMAP4 folders from within the client itself (eg eM Client) or have plugins to allow this (eg Mozilla Thunderbird with the Imap-ACL extension). In that case, you will need to see the documentation for that to set up sharing. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:status_service_disabled?rev=1542192349&do=diff VPOP3 Status Service Disabled In some versions of VPOP3, occasionally the Status Service may get disabled if there was a problem during initialisation - this will prevent the VPOP3 Status Monitor from connecting to VPOP3. To check this, run RegEdit, and find text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:timeout_while_vpop3db_is_starting?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:transmission_receipt?rev=1542192349&do=diff Transmission Receipt Message This is not an error message, but we are listing it here because it confuses some people. VPOP3 sends a 'Transmission Receipt' when a message is sent out, and it contains a header asking for the receipt. The default configuration is that it will send the transmission receipt if the sender asks for a read receipt. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:troubleshooting_tips?rev=1542192349&do=diff Troubleshooting Tips Telnet One of the most basic, and useful, tools for troubleshooting email systems is a Telnet client. Installing Telnet Client Unfortunately, since Windows XP, Microsoft do not install the Telnet client into Windows by default, so you may need to install the Telnet client yourself. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/how_to:v3_-_move_message_store?rev=1542192349&do=diff How to move the VPOP3 Message Store to a new PC Use this option if you want to have VPOP3 running on one PC, but have the message store database on another PC. Manually Install PostgreSQL on the new PC Download the 'pgInstaller' version of PostgreSQL from the 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_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).