Synchronet v3.18b-Win32 (install) has been released (Sept-2020).

Synchronet v3.19a, now under development, requires libarchive-dev to build successfully.

You can donate to the Synchronet project using PayPal.

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server:mail [2019/03/24 01:37]
digital man Document all the sbbs.ini [mail] section keys/defaults/options (whew!)
server:mail [2021/07/31 19:49] (current)
digital man [Special Addresses] Correct the tag-block filename (its usernum.smtpblock not .smtptags)
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 The Synchronet Mail Server recognizes the incoming special address format: ''//<​name>//#//<​tag>//​@//<​host>//''​ The Synchronet Mail Server recognizes the incoming special address format: ''//<​name>//#//<​tag>//​@//<​host>//''​
  
-The //<​tag>//​ is extracted from the address and if it is **not** found in the ''​data/​user/<​usernum>​.smtptags''​ file, the mail message is +The //<​tag>//​ is extracted from the address and if it is **not** found in the ''​data/​user/<​usernum>​.smtpblock''​ file, the mail message is 
-sent to the destination user.  If the tag matches a line in the ''​.smtptags''​ file, the email is rejected by the mail server with a "no such user" error.+sent to the destination user.  If the tag matches a line in the ''​.smtpblock''​ file, the email is rejected by the mail server with a "no such user" error.
  
-This feature allows you (the sysop) to easily create and use "​temporary"​ email addresses without requiring additional user accounts. ​ Once you start receiving spam with a tag, just disable that tag by adding it to your ''​.smtptags''​ file.+This feature allows you (the sysop) to easily create and use "​temporary"​ email addresses without requiring additional user accounts. ​ Once you start receiving spam with a tag, just disable that tag by adding it to your ''​.smtpblock''​ file.
  
 ==== Anti-SPAM ==== ==== Anti-SPAM ====
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 ^ Key               ^ Default Value ^ Description ^ ^ Key               ^ Default Value ^ Description ^
-| Interface ​        | [global] ​Interface ​| Comma-separated list of IPv4 and IPv6 network interfaces to listen on for incoming SMTP/SMTPS connections | +| AutoStart ​        | true          | Automatically start up the server (manual is only supported in [[monitor:​sbbsctrl]]) | 
-| POP3Interface ​    ​| ​[global] ​Interface | Comma-separated list of IPv4 and IPv6 network interfaces to listen on for incoming POP3/POP3S connections | +| Interface ​        | [global] ​     | Comma-separated list of IPv4 and IPv6 network interfaces to listen on for incoming SMTP/SMTPS connections | 
-| OutboundInterface | 0.0.0.0 ​      | IPv4 network interface to use for outgoing SMTP/SMTPS connections (0.0.0.0 = //any interface//​) |+| POP3Interface ​    | Interface ​    ​| Comma-separated list of IPv4 and IPv6 network interfaces to listen on for incoming POP3/POP3S connections | 
 +| OutboundInterface | [global] ​     ​| IPv4 network interface to use for outgoing SMTP/SMTPS connections (0.0.0.0 = //any interface//​) |
 | SMTPPort ​         | 25            | TCP port number to listen on for incoming SMTP mail-delivery connections | | SMTPPort ​         | 25            | TCP port number to listen on for incoming SMTP mail-delivery connections |
 | SubmissionPort ​   | 587           | TCP port number to listen on for incoming SMTP mail-submission connections | | SubmissionPort ​   | 587           | TCP port number to listen on for incoming SMTP mail-submission connections |
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 | TLSPOP3Port ​      | 995           | TCP port number to listen on for incoming POP3S (encrypted) mail-retrieval connections | | TLSPOP3Port ​      | 995           | TCP port number to listen on for incoming POP3S (encrypted) mail-retrieval connections |
 | MaxClients ​       | 10            | Maximum number of simultaneous incoming TCP sessions supported | | MaxClients ​       | 10            | Maximum number of simultaneous incoming TCP sessions supported |
 +| MaxConcurrentConnections | 0      | Maximum number of concurrent connections (without login) from the same IP address (0 = unlimited) |
 | MaxInactivity ​    | 120           | Maximum amount of TCP session inactivity before timeout and disconnection (in seconds) | | MaxInactivity ​    | 120           | Maximum amount of TCP session inactivity before timeout and disconnection (in seconds) |
 | MaxDeliveryAttempts | 50          | Maximum number of outbound mail delivery attempts before mail is bounced back to sender | | MaxDeliveryAttempts | 50          | Maximum number of outbound mail delivery attempts before mail is bounced back to sender |
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 | MaxMsgsWaiting ​       | 100       | Maximum number of messages allowed in a (non-W-exempt) user's inbox | | MaxMsgsWaiting ​       | 100       | Maximum number of messages allowed in a (non-W-exempt) user's inbox |
 | ConnectTimeout ​       | 30        | Timeout (in seconds) before blocked outbound SMTP/TCP connections are aborted | | ConnectTimeout ​       | 30        | Timeout (in seconds) before blocked outbound SMTP/TCP connections are aborted |
-| HostName ​             | [global] ​HostName ​ | Hostname of this server | +| HostName ​             | [global] ​ | Hostname of this server | 
-| TempDirectory ​        | [global] ​TempDirectory ​| Directory to use for the storage of temporary files |+| TempDirectory ​        | [global] ​ | Directory to use for the storage of temporary files |
 | RelayServer ​          ​| ​          | Hostname or IP address of SMTP server to relay outbound mail through (requires ''​RELAY_TX''​ option) | | RelayServer ​          ​| ​          | Hostname or IP address of SMTP server to relay outbound mail through (requires ''​RELAY_TX''​ option) |
 | RelayPort ​            | 25        | TCP port number to connect with when relaying mail to RelayServer | | RelayPort ​            | 25        | TCP port number to connect with when relaying mail to RelayServer |
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 | OutboundSound ​        ​| ​          | WAV file to play upon outgoing SMTP/SMTPS connections (Windows only) | | OutboundSound ​        ​| ​          | WAV file to play upon outgoing SMTP/SMTPS connections (Windows only) |
 | NewMailNotice ​        | "New e-mail from <​%s>​\r\n"​ | Format of telegram to send users upon receipt of incoming mail message | | NewMailNotice ​        | "New e-mail from <​%s>​\r\n"​ | Format of telegram to send users upon receipt of incoming mail message |
-| ForwardNotice ​        | "and it was forwarded to: %s | Additional telegram text to send to recipient of automatically forwarded mail | +| ForwardNotice ​        | "and it was forwarded to: %s" ​| Additional telegram text to send to recipient of automatically forwarded mail | 
-| JavaScript* ​          | [global] ​JavaScript* ​   ​| JavaScript-related settings for external mail processing | +| JavaScript* ​          | [global] ​ | JavaScript-related settings for external mail processing | 
-| LogLevel ​             | [global] ​LogLevel* ​     ​| Minimum severity of log messages to be displayed / stored | +| LogLevel ​             | [global] ​ | Minimum severity of log messages to be displayed / stored | 
-| BindRetryCount ​       | [global] ​BindRetryCount ​| Maximum number of TCP port bind attempts before failure | +| BindRetryCount ​       | [global] ​ | Maximum number of TCP port bind attempts before failure | 
-| BindRetryDelay ​       | [global] ​BindRetryDelay ​| Delay (in seconds) between TCP port bind retries | +| BindRetryDelay ​       | [global] ​ | Delay (in seconds) between TCP port bind retries | 
-| LoginAttempt* ​        | [global] ​LoginAttempt* ​ | Failed login attempt throttling / filtering / banning |+| LoginAttempt* ​        | [global] ​ | Failed login attempt throttling / filtering / banning |
 | Options ​              | ''​ALLOW_POP3''​ | Mail server option flags (see below for details) | | Options ​              | ''​ALLOW_POP3''​ | Mail server option flags (see below for details) |
  
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 | KILL_READ_SPAM ​     | Mark received SPAM messages for "Kill after read" | | KILL_READ_SPAM ​     | Mark received SPAM messages for "Kill after read" |
 | MUTE                | Disable all sound (WAV) files from playing | | MUTE                | Disable all sound (WAV) files from playing |
 +
  
  

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