https://wiki.pscs.co.uk/ 2026-05-06T11:40:34+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/reference:database_message_store?rev=1542192349&do=diff Database -> Message Store Tab This tab says how VPOP3 handles its message store Message Store The Delay while moving messages setting tells VPOP3 how quickly to import messages into the new database structure if it was upgraded from version 2.x or earlier. Usually this is OK to be left as it is, but if there is some special requirement to import the messages more quickly, you can decrease this number, but that will increase the load on the server. text/html 2025-08-20T16:08:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:lan_forwarding_script?rev=1755706120&do=diff LAN Forwarding Scripting (Added in V8.7) This is stored in the 'LanForwarding.lua' script in Settings -> Scripts Pre-send These functions are called before the message is placed in the LAN Forwarding queue There are two global variables set: * text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:sender_advanced_settings?rev=1542192349&do=diff 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 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:copy_smtp_rules?rev=1542192349&do=diff Copy SMTP Rules - Database Query This is an advanced Database action. There is no simple query that will perform the required operation, so we have to create a custom PostgreSQL function to copy the data. At a command prompt in the VPOP3 directory run text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:database_files_used_in_vpop3_2.x?rev=1542192349&do=diff 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. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:database_restore?rev=1542192349&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:delete_list_member_from_all_lists?rev=1542192349&do=diff Delete list member from all lists You can delete an email address from all VPOP3 distribution & mailing lists. Go to Settings → Database → Query Alternatively, at a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:export_lan_forwarding_rules?rev=1542192349&do=diff Database query to export LAN Forwarding rules At a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') Then, type \copy (select conditions, address, server, username, password, outaddress as rewriteaddress, matchcount as matches from rules.lanforwarding order by ruleorder) to 'c:/temp/x.csv' csv header; text/html 2019-07-08T08:19:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:find_biggest_messages?rev=1562573942&do=diff Find biggest messages To find the 10 biggest messages in your VPOP3 message store: Go to Settings → Database → Query Alternatively, at a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') Then, type SELECT username, folder, subject, fromaddr, PG_SIZE_PRETTY(size) FROM messages.messages INNER JOIN messages.folders f USING(folderid) INNER JOIN users.users u ON u.usernumber=f.userid ORDER BY size DESC LIMIT 10; text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:find_forwards_assistants_etc?rev=1542192349&do=diff Database query to find forwards/assistants etc in user settings Go to Settings -> Database -> Query Alternatively, at a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') Then, type select username,dataname,datavalue from users.usersettings inner join users.users using(usernumber) where datavalue ilike '%searchname%'; text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:find_message?rev=1542192349&do=diff Find a message If you know the subject of a message, you can search the entire message store for messages with this subject. Go to Settings → Database → Query Alternatively, at a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:get_all_lists_members?rev=1542192349&do=diff Database query to get all lists and members At a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') Then, type \copy (select l.name, address from users.listmembers m inner join users.lists l on m.list=l.id) to 'c:/temp/x.csv' csv header; 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 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:lan_forwarding_queue_status?rev=1542192349&do=diff LAN Forwarding Queue Status To view the LAN Forwarding Queue Status, go to Settings -> Local Mail -> LAN Forwarding -> Queue Status The LAN Forwarding Queue shows the messages which VPOP3 has currently got queued to be sent to another mail server on your network using SMTP. The LAN Forwarding Queue status page shows a simple list of the messages waiting to be sent. The four columns in the table show: text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:list_all_messages_in_lan_forwrding_queue?rev=1542192349&do=diff Database query to list ALL messages in the LAN forwarding queue The VPOP3 settings show the first 100 messages in the LAN forwarding queue. Usually this is sufficient as the LAN forwarding queue is usually nearly empty, but in case of a problem it may be much bigger. The database queries below may help in that situation. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:list_failed_message_send_summary?rev=1542192349&do=diff Database query to list failed message sends This will list failed outgoing messages from the last 3 days (with the default VPOP3 settings) At a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') Then, type select created,returnpath,subject,username || '@' || domain as recipient, latesterror from outqueue.outrecipients inner join outqueue.outmessages using(msgid) where failedtime is not null order by created desc; text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:list_messages_in_lan_forwrding_queue_waiting_to_go_to_a_specific_server?rev=1542192349&do=diff Database query to list messages in the LAN forwarding queue waiting to go to a specific server The VPOP3 settings show the first 100 messages in the LAN forwarding queue. Usually this is sufficient as the LAN forwarding queue is usually nearly empty, but in case of a problem it may be much bigger. The database queries below let you list just messages going to a specific server. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:make_lan_forwarding_immediately_attempt_to_dequeue_all_pending_messages?rev=1542192349&do=diff Database query to make LAN Forwarding immediately attempt to dequeue all pending messages If VPOP3 cannot send messages using LAN Forwarding it will queue the message and retry periodically. Usually there is no need to do anything special if there was a problem with the onward mail server which has now been fixed, VPOP3 should soon retry the messages automatically (based on the value of the text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:mappings?rev=1542192349&do=diff Mappings In VPOP3, Mappings are a way of explicitly linking an email address to a user or list. They can also be used to indicate that an email address is remote, even though it would otherwise appear to be a local email address. In other email servers, a similar feature may be called 'aliases' text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:misc_dns?rev=1542192349&do=diff Misc -> DNS Tab Settings -> Misc Settings -> DNS The DNS tab lets you specify which DNS servers VPOP3 will use. DNS (Domain Name System) is a system which converts Internet host names (eg www.google.com) into a numeric IP address (eg 1.2.3.4), because all connections on the Internet are actually performed using numeric IP addresses, but it is easier for people to remember names. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:pop3_server?rev=1542192349&do=diff POP3 Server This page lets you configure the POP3 server component of VPOP3. This is how users collect mail from VPOP3 using a POP3 email client. In VPOP3 Enterprise, you can create multiple POP3 servers with different settings for instance, to allow SSL connections for local users using the older text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:reset_message_folder_counts?rev=1542192349&do=diff Reset Message Folder Counts In extremely rare cases, the mail folder message counts in the database may get out of step with the actual stored messages. There are database triggers which will keep the counts in sync during normal operation, but if you have to manipulate the database directly (eg to recover from a corrupted database) it is possible that they will get out of step. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:running_database_updates_within_a_transaction?rev=1542192349&do=diff Running database updates within a transaction This is a trick which database experts use, because they have learned (often the hard way) that a simple mistype can trash a database... Before running any database query which can alter the database (UPDATE, DELETE, INSERT, DROP, CREATE, ALTER) begin a database transaction using the 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:sent_message_summary?rev=1542192349&do=diff Sent message summary This will display the number of messages sent and total size over the past month. (It counts each recipient as its own message). You must have Historical Logging enabled in VPOP3 (Settings -> Logging) At a command prompt in the VPOP3 directory run text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:smtp_server?rev=1542192349&do=diff SMTP Server This page lets you configure the SMTP server component of VPOP3. This is how users send mail (either outgoing or internal), and also how VPOP3 receives incoming SMTP messages. In VPOP3 Enterprise, you can create multiple SMTP servers with different settings for instance, to allow SSL connections for local users using the older 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 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:view_password_change_history?rev=1542192349&do=diff Database query to view password change history At a command prompt in the VPOP3 directory run psql (The password is 'vpop3pass') Then, type select username,updateuser,updatetime from settingaudit inner join users.users on keyfield=usernumber::varchar where tablename='users.usersettings' and keyfield2='mainpassword' order by updatetime desc;