https://wiki.pscs.co.uk/ 2026-05-06T13:03:04+00:00 https://wiki.pscs.co.uk/ https://wiki.pscs.co.uk/_media/wiki:dokuwiki.svg text/html 2023-11-12T09:51:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:dmarc_reporter_script?rev=1699782700&do=diff 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 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:download_rules?rev=1542192349&do=diff Download Rules Download rules are a facility in VPOP3 where it can look at message summary information before downloading a message from an ISP POP3 mailbox (they do not work on incoming SMTP messages - use SMTP Rules for that) To edit download rules, go to 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/reference:smtp_general?rev=1542192349&do=diff SMTP -> General tab This page is reached from Services -> SMTP Server, then the General tab. This page lets you set general settings for the SMTP service component of VPOP3. The SMTP service is how users send outgoing mail, and how incoming SMTP messages arrive. Service Name text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:smtp_ids_ips?rev=1542192349&do=diff SMTP Server -> IDS/IPS The IDS/IPS tab lets you set logging and automatic blocking parameters for the IDS (Intrusion Detection System) and IPS (Intrusion Prevention System) component of the SMTP server. SMTP servers are regularly attacked, both by incoming mail attacks (spam/viruses etc) and relay attacks (by spammers and other malware distributors trying to send mail through them). Because of this, there is a system in VPOP3 which will track attack attempts on the SMTP service and can automat… text/html 2026-03-26T11:41:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:smtp_rules_script?rev=1774525319&do=diff Lua SMTP Rules Scripts When VPOP3 is processing SMTP Rules for messages received by SMTP, it runs a script called smtprules_(x).lua, where (x) is replaced by the numeric ID of the SMTP service VPOP3 processes SMTP Rules at least three times for each message - once when MAIL FROM has been received, once for each RCPT TO, and once when the whole message data has been received. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_statement_star_stop?rev=1542192349&do=diff Spam Filter Rules: *STOP Statement *STOP Version 2.2.5+ Purpose Stops the parsing of the current spam filter script file The statements after the *STOP statement are not parsed, so will not cause syntax errors if they involve unrecognised commands. 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:diagnostics?rev=1542192349&do=diff Settings -> Diagnostics The Diagnostics page allows you to enable, configure and disable various methods of diagnostic logging, within VPOP3. Log file overview By default, VPOP3 will keep two copies of most log files: * The current log file, with a text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:global_signature?rev=1542192349&do=diff Global Signature You can set a Global Signature in VPOP3 by going to Settings -> Global Signature The Global Signature option lets you tell VPOP3 to add a standard piece of text or HTML to the bottom of all outgoing messages. You can create just a plain text, or 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:logging?rev=1542192349&do=diff Logging Activity Summary Reports You can tell VPOP3 to send you a daily summary report each day. To do this check the box to say Send daily summary logs to, and choose the appropriate user (or “Main Administrator” if you want the reports to be sent to the 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: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: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:smtp_load_limiting?rev=1542192349&do=diff 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_statement_foreach?rev=1542192349&do=diff Spam Filter Rules: ForEach Statement ForEach Version 2.1.7+ Purpose Causes a loop to be run through for all values within specified criteria The ForEach statement requires either two or three parameters (depending on the type of loop that is being conducted), in the format text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_statement_star_ifsupport?rev=1542192349&do=diff Spam Filter Rules: *IFSUPPORT Statement *IFSUPPORT Version 2.2.5+ Purpose Allows the script to determine whether a particular command or function is supported by the installed version of VPOP3 The *IFSUPPORT statement requires a command or a function, in the format text/html 2026-02-19T17:56:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:temporary_files?rev=1771523787&do=diff Temporary Files This is for files in the VPOP3\_temp folder Most of the filename is the hexadecimal timestamp (in Windows 'FILETIME'/65536 form) with a 4 digit hex sequential number afterwards. The first letter or two (usually G-Z) can tell something about what caused the file. 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.