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--- server:mail [2023/12/23 01:47] – [Configure] Add JavaScript and Failed Login Attempts sub-menus digital man
+++ server:mail [2026/03/17 10:11] (current) – [Anti-SPAM] added signup link for spamhaus nelgin
@@ Line 32: / Line 32: @@
 === Special Aliases ===
 Recipient names configured in ''[[dir:ctrl]]/[[config:alias.cfg]]'' can be used to match recipient names to specific user account numbers, aliases, external email addresses, or even sub-boards.
-=== User Number ===
-Receiving by user account number is also optionally supported, not not encouraged and disabled by default.
 ==== Special Prefixes ====
@@ Line 99: / Line 96: @@
 When a DNSBL service reports an IP address as "black-listed", any additional DNSBL services/servers are not queried.
+If you have used zen.spamhaus.org in the past, this will no longer work. You will need to apply for a Spamhaus Data Query Service account at https://www.spamhaus.com/data-access/free-data-query-service/ where you will receive a unique key that is used to query their DNS.
 == Exemptions ==
@@ Line 114: / Line 113: @@
 {{:server:SBBSCTRL.mailsrvr.advanced.png?400|}}
+==== Archiving ====
+The Synchronet Mail Server (v3.21+) can automatically archive messages received via SMTP as separate ''.eml'' files in sub-directories of ''[[dir:data]]/user/####/'' (where ''####'' is the recipient or relaying user number).
+To utilize the mail archive feature, the sysop must set the "Archive Requirements" mail server setting (e.g. in [[util:SCFG]]->Servers->Mail Server) to specify the [[:access:]] requirements of the user or users whose mail should be auto-archived.
+Notes:
+  * Messages are archived after being processed by any external mail processors which may have modified the message header or body
+  * SPAM-tagged messages received for local users are not archived
+  * Archived messages are stored in ''.eml'' files, plain text files conforming to the RFC-822 internet message standard format
+  * Messages received for relay by users meeting the archive requirements are be stored in their ''[[dir:data]]/user/####/smtp_relay'' directory (i.e. like an "inbox")
+  * Messages received for delivery to local users meeting the archive requirements are stored in their ''[[dir:data]]/user/####/smtp_in'' directory (i.e. like an "outbox")
+  * There's no limit to the number or size of messages that may be archived, so disk consumption could be a concern
@@ Line 150: / Line 164: @@
 ===== Configure =====
-The Synchronet Mail Server can be configured via [[util:SCFG]]->Servers->Mail Server:
+The Synchronet Mail Server can be configured via [[util:SCFG]]:Servers->Mail Server:
-<file>
+  ╔════════════════════════════════════════════╗
-╔══════════════════════════════════════════════════════╗
+  ║            Mail Server Settings            ║
-║                      Mail Server                     ║
+  ╠════════════════════════════════════════════╣
-╠══════════════════════════════════════════════════════╣
+  ║ │Enabled                       Yes         ║
-║ │Enabled                       Yes                   ║
+  ║ │Log Level                     Info        ║
-║ │Log Level                     Informational         ║
+  ║ │SMTP Interfaces               0.0.0.0, :: ║
-║ │SMTP Interfaces               0.0.0.0, ::           ║
+  ║ │SMTP Support                  Port 25     ║
-║ │SMTP Port                     25                    ║
+  ║ │Submission Support            Port 587    ║
-║ │Submission Support            Yes                   ║
+  ║ │Submission/TLS Support        Port 465    ║
-║ │Submission Port               587                   ║
+  ║ │POP3 Interfaces               0.0.0.0, :: ║
-║ │Submission/TLS Support        Yes                   ║
+  ║ │POP3 Support                  Port 110    ║
-║ │Submission/TLS Port           465                   ║
+  ║ │POP3/TLS Support              Port 995    ║
-║ │POP3 Support                  Yes                   ║
+  ║ │Mark Retrieved Mail as Read   Yes         ║
-║ │POP3 Interfaces               0.0.0.0               ║
+  ║ │Max Clients                   100         ║
-║ │POP3 Port                     110                   ║
+  ║ │Max Inactivity                2 minutes   ║
-║ │POP3/TLS Support              Yes                   ║
+  ║ │Max Concurrent Connections    Unlimited   ║
-║ │POP3/TLS Port                 995                   ║
+  ║ │Max Recipients Per Message    100         ║
-║ │Max Clients                   100                   ║
+  ║ │Max Messages Waiting          100         ║
-║ │Max Inactivity                30 seconds            ║
+  ║ │Max Receive Message Size      20M bytes   ║
-║ │Max Concurrent Connections    1                     ║
+  ║ │Limit Rate of Requests        <disabled>  ║
-║ │Max Recipients Per Message    100                   ║
+  ║ │Post Recipient                            ║
-║ │Max Messages Waiting          200                   ║
+  ║ │Default Recipient                         ║
-║ │Max Receive Message Size      100M bytes            ║
+  ║ │Receive By Sysop Aliases      No          ║
-║ │Default Recipient                                   ║
+  ║ │Notify Local Recipients       Yes         ║
-║ │Receive By User Number        No                    ║
+  ║ │Notify Offline Recipients     Yes         ║
-║ │Receive By Sysop Aliases      Yes                   ║
+  ║ │Allow Users to Relay Mail     No          ║
-║ │Notify Local Recipients       Yes                   ║
+  ║ │Lookup Client Hostname        Yes         ║
-║ │Notify Offline Recipients     No                    ║
+  ║ │Check Headers against DNSBL   No          ║
-║ │Allow Users to Relay Mail     Yes                   ║
+  ║ │DNS-Blacklisted Servers       Tag Mail    ║
-║ │Lookup Client Hostname        Yes                   ║
+  ║ │Hash DNS-Blacklisted Msgs     No          ║
-║ │Check Headers against DNSBL   Yes                   ║
+  ║ │Kill SPAM When Read           No          ║
-║ │DNS-Blacklisted Servers       Throttle and Tag Mail ║
+  ║ │Spammer IP-Filter Duration    Infinite    ║
-║ │Hash DNS-Blacklisted Msgs     Yes                   ║
+  ║ │SendMail Support...           Direct      ║
-║ │Kill SPAM When Read           No                    ║
+  ║ │Login Requirements                        ║
-║ │SendMail Thread...                                  ║
+  ║ │Archive Requirements                      ║
-║ │JavaScript Settings...                              ║
+  ║ │JavaScript Settings...                    ║
-║ │Failed Login Attempts...                            ║
+  ║ │Failed Login Attempts...                  ║
-╚══════════════════════════════════════════════════════╝
+  ╚════════════════════════════════════════════╝
-</file>
+The Synchronet Mail Server "SendMail Thread" can be configured via [[util:SCFG]]:Servers->Mail Server->SendMail Support:
+  ╔═══════════════════════════════════════════╗
+  ║              SendMail Support             ║
+  ╠═══════════════════════════════════════════╣
+  ║ │Enabled                       Yes        ║
+  ║ │Rescan Interval               1 hour     ║
+  ║ │Connect Timeout               30 seconds ║
+  ║ │Auto-exempt Recipients        Yes        ║
+  ║ │Max Delivery Attempts         50         ║
+  ║ │Delivery Method               Direct     ║
+  ╚═══════════════════════════════════════════╝
-... via [[monitor:SBBSCTRL]]->Mail->Configure:
+... via [[monitor:SBBSCTRL]]:Mail->Configure:
 {{:server:sbbsctrl.3.20.mail.config.png|}}
-... or by editing the ''[[dir:ctrl]]/[[config:sbbs.ini]]'' file.
+... or by editing the ''[Mail]'' section fo the ''[[dir:ctrl]]/[[config:sbbs.ini]]'' file.
 ==== sbbs.ini ====
@@ Line 230: / Line 256: @@
 | RelayPassword         |           | Password used to authenticate with RelayServer |
 | DNSServer             | <auto>    | IP address of DNS server used to discover mail-exchange servers for outbound mail destinations |
+| PostTo                |           | Override the recipient of all SMTP-posted messages (on sub-boards) with this value (e.g. "All") |
 | DefaultUser           |           | Default recipient of mail for unrecognized recipient names (blank = none) |
 | DefaultCharset        |           | Default MIME Content-Type ''charset'' value when unspecified (e.g. ''IBM437'') |
@@ Line 237: / Line 264: @@
 | InboundSound          |           | WAV file to play upon incoming SMTP/SMTPS connections (Windows only) |
 | OutboundSound         |           | WAV file to play upon outgoing SMTP/SMTPS connections (Windows only) |
+| ArchiveRequirements   |           | [[:Access]] Requirements for auto-archiving of non-SPAM mail messages (stored in ''.eml'' format) sent to or from select users |
 | JavaScript*           | [global]  | JavaScript-related settings for external mail processing |
 | LogLevel              | [global]  | Minimum severity of log messages to be displayed / stored |
@@ Line 254: / Line 282: @@
 | DEBUG_POP3          | Log all POP3 activity (Debug log level) |
 | TLS_POP3            | Support incoming POP3S (POP3/TLS) connections |
+| NO_READ_POP3        | Do not mark POP3-retrieved mail messages as "Read" |
 | DEBUG_TX            | Log all transmissions (Debug log level) |
 | DEBUG_RX_HEADER     | Log headers of all received messages (Debug log level)|
 | DEBUG_RX_BODY       | Log body text of all received messages (Debug log level)|
 | DEBUG_RX_RSP        | Log all received responses (Debug log level) |
-| ALLOW_RX_BY_NUMBER  | Allow email to be received by user number in addition to name/alias (not recommended) |
 | ALLOW_SYSOP_ALIASES | Allow email to received for various administrative aliases (e.g. "sysop", "postmaster") to be delivered to the sysop |
 | NO_NOTIFY           | Do not send telegrams to users notifying them of newly received email |
@@ Line 292: / Line 320: @@
 | **message_text**       | ''SBBS_SMTP.*.msg'' | [[https://www.rfc-editor.org/rfc/rfc5322|RFC-822]]   | Complete message header and body as received via SMTP |
 | **new_message_text**   | ''SBBS_SMTP.*.new'' | [[https://www.rfc-editor.org/rfc/rfc5322|RFC-822]]   | New (replacement) message header and body (optional) |
-| **recipient_list**     | ''SBSB_SMTP.*.lst'' | ''[[config:ini_files|.ini]]'' |List of all SMTP recipients for this message (see below for details) |
+| **recipient_list**     | ''SBBS_SMTP.*.lst'' | ''[[config:ini_files|.ini]]'' |List of all SMTP recipients for this message (see below for details) |
 | **processing_error**   | ''SBBS_SMTP.*.err'' | US-ASCII | File that if created will reject this message with an SMTP error  |
 | **log_text**           | ''SBBS_SMTP.*.log'' | US-ASCII | If created will include debug output from the external mail processor to be logged |
@@ Line 300: / Line 328: @@
 === Message Text ===
-An external mail processor may either modify the **message_text** file in-place or create a **new_message_text** will be used in its place.
+An external mail processor may either modify the **message_text** file in-place or create a **new_message_text** file that will be used in its place.
 === Recipient List ===
@@ Line 353: / Line 381: @@
 | ''Native''             | ''false''    | The mail process is a native (not JavaScript) program |
 | ''IgnoreOnError''      | ''false''    | If there's an error reported, ignore it |
-| ''To''                 | //none//     | A comma-separate list of possible recipient matches (name or name@address) |
+| ''To''                 | //none//     | Comma-separate list of possible recipient matches (name or name@address, filter wildcards and ''!'' logic negation supported) |
-| ''From''               | //none//     | A required sender name |
+| ''From''               | //none//     | Comma-separate list of required sender names (filter wildcards and ''!'' logic negation supported) |
 | ''AccessRequirements'' | //none//     | Optional access requirements for the processor to run |
 | ''ProcessSPAM'''       | ''true''     | Set to ''false'' to not process SPAM-tagged messages |

Trace: • Mail Server

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