https://wiki.pscs.co.uk/ 2026-05-13T05:09:02+00:00 https://wiki.pscs.co.uk/ https://wiki.pscs.co.uk/_media/wiki:dokuwiki.svg 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: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_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 2025-05-08T08:23:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:lua_smtp_server_script?rev=1746692615&do=diff 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. text/html 2026-01-05T09:25:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:password_strength_checking_script?rev=1767605139&do=diff Password Strength Checking Script You can tell VPOP3 to enforce password strength checks by using a Lua script which performs the checks for you. The Lua script can be edited in Settings -> Scripts and is called passwordcheck.lua (in older versions of VPOP3 it is stored in a file called text/html 2023-03-25T23:33:31+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:archive_script?rev=1679787211&do=diff 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. 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: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:spamrules_statement_ifmatch?rev=1542192349&do=diff Spam Filter Rules: IfMatch Statement IfMatch Version 2.1.7+ Purpose Allows you to perform a regular or substring match on a variable or part of the message being processed IfMatch statements require a data parameter and a search value, in the format 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:attachment_processing?rev=1542192349&do=diff Settings -> Attachment Processing The Attachment Processing page allows you to configure VPOP3 to perform two distinct functions on messages that contain attachments: * * Filtering The Filtering tab is divided into four main sections: Attachment Filtering 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 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: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_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: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: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_filtering?rev=1542192349&do=diff SMTP Service - Filtering The SMTP Server -> Filtering tab lets you set up filtering of messages going through the VPOP3 SMTP service. This may be incoming SMTP messages, or locally sent messages. SMTP Rules SMTP Rules let you create custom rules for processing messages as they go through the VPOP3 SMTP service. text/html 2023-08-14T16:01:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_variables?rev=1692028861&do=diff Spam Filter Rules: Variables The VPOP3 spam filter script language supports simple variables. In most places these are specified as ${<variable name>}, but in some places they are just specified as <variable name> - for instance where a statement always puts its result into a variable. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:user_message_rules?rev=1542192349&do=diff Message Rules The Edit User -> Message Rules tab can be used to create/edit rules which are processed when messages arrive in a User's mailbox. They can be used to copy messages, mark them as read, delete them, etc VPOP3 will process Message Rules in the order they appear in the list. If you want to change the order of the rules, you can drag & drop them into the correct order. Usually when VPOP3 has processed a rule, it will go on to check further rules, but you can use the text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:about?rev=1542192349&do=diff About The VPOP3 'About' page lets you see the version and build number of your VPOP3 installation, along with any licence details, and supplier details (if any) Licence Information The Licence Information section shows your current licence information text/html 2026-03-23T15:29:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:autoresponder_global_script?rev=1774279769&do=diff Autoresponder Global Scripting For scripting to modify the autoresponder text which is embedded in the autoresponder itself, see Autoresponder Scripting The Autoresponder Global Script is executed for every autoresponse. It is stored in the 'Autoresponder.lua' script in Settings → Scripts text/html 2025-05-28T09:24:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:autoresponder_script?rev=1748424278&do=diff Autoresponder scripting For scripting to alter the whole autoresponder definition and set in the VPOP3 settings rather than embedded in an autoresponder itself, see Autoresponder Global Scripting In an autoresponder, you can create a Lua script by surrounding it with <lua> & </lua> tags, eg text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:incoming_smtp?rev=1542192349&do=diff Incoming SMTP Mail If you have an incoming SMTP mail feed, then the mail server sending mail to you will connect to your VPOP3 computer to send the mail. The mail connection is controlled by the sending computer. IMPORTANT If you have a permanent Internet connection with a static IP address, the usual way of having incoming SMTP is to configure your text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:local_mail_general?rev=1542192349&do=diff Settings -> Local Mail -> General The Local Mail -> General page allows you to configure a few simple, but fundamentally important settings. Default Domain In the majority† of cases, this is the domain name that VPOP3 will use when sending automated messages; for instance, users may receive a message from text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:mail_tab?rev=1542192349&do=diff Mail tab The Mail tab within VPOP3 webmail enables you to manage your sent and received messages. As you can see from the screenshot, the page is divided into three main sections: Menu bar General tab bar Status bar [Mail tab - VPOP3 Version 5 Webmail] Page structure Mail toolbar The Mail toolbar contains the following buttons: text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:message_archive?rev=1542192349&do=diff 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 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:new_message_tab?rev=1542192349&do=diff New message tab The New message tab within VPOP3 webmail is where you prepare, edit and send messages, including replies and forwards. As you can see from the screenshot, the page is divided into two main sections: Menu bar General tab bar Status bar [New message tab - VPOP3 Version 5 Webmail] Page structure New message toolbar text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:route_by_parsing_message_headers?rev=1542192349&do=diff Route incoming POP3 mail by parsing message headers This routing method is generally used if you have a catch-all or 'multi-catch' mailbox with your Internet provider. With this method, VPOP3 will look at the To/Cc and other fields in the message headers to try to work out who the message is for. If the recipient is not listed in the headers (eg for BCCd mail) it may not be able to automatically detect who the message is for. text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:security_intrusion_protection?rev=1542192349&do=diff Security Settings -> Intrusion Protection Tab Settings -> Security Settings -> Intrusion Protection Tab Starting in VPOP3 v6.0, VPOP3 can monitor failed logins for all accounts across all services and block an attacker's IP address from accessing VPOP3 for a specified time 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 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamfilter_script_configuration?rev=1542192349&do=diff Spamfilter Script Configuration tab You reach this tab by going to Settings --> Spam Filter -> General, and then choose the General tab. The Spamfilter script has various settings that can be changed to alter the behaviour of the spamfilter. These are defined in the script, so may change with different versions of the script. The settings are currently: text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_addrandomtexttosubject?rev=1542192349&do=diff 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 text/html 2020-10-05T16:14:12+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_header?rev=1601914452&do=diff Increase the spam score for header marker This script is for the case where your ISP adds a header eg 'X-Spam: Yes' to the message header, and you want the VPOP3 spamfilter to quarantine messages with that marker. Add the following to the spamrules_userchecks.txt file. This script file only gets processed on incoming messages (the spamrules_localmail.txt script ends the processing of locally sent messages) text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_statement_iflocaladdress?rev=1542192349&do=diff Spam Filter Rules: IfLocalAddress Statement IfLocalAddress Version 2.2.1+ Purpose Allows you to check if a specified email address is local to your VPOP3 installation IfLocalAddress requires just one paramater; the address, in the format IfLocalAddress <address> text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:spamrules_subject?rev=1542192349&do=diff Increase the spam score for subject marker This script is for the case where your ISP adds a marker eg '[spam]' to the message subject, and you want the VPOP3 spamfilter to quarantine messages with that marker. Add the following to the spamrules_userchecks.txt file. This script file only gets processed on incoming messages (the spamrules_localmail.txt script ends the processing of locally sent messages) text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:status_monitor?rev=1542192349&do=diff VPOP3 Status Monitor The VPOP3 status monitor allows users to see what VPOP3 is doing, and also, optionally, to send/receive simple 'instant messages' between local users. Different users can have different permissions for the status monitor. They can be set for all administrators or non-administrators on text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:user_advanced?rev=1542192349&do=diff 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. 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:users_autoresponderconditions?rev=1542192349&do=diff 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. 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 text/html 2018-11-14T10:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.pscs.co.uk/reference:white_black_lists?rev=1542192349&do=diff 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…