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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Mail Server

The Synchronet Mail Server is responsible for incoming and outgoing Internet e-mail.

Incoming

The mail server accepts submissions via the SMTP and ESMTP protocols, by default, on TCP ports 25 and 587.

By default, the mail server does not allow relaying of mail from unauthenticated clients to external mail servers.

The SMTP server supports authentication via the PLAIN, LOGIN, or CRAM-MD5 SMTP-AUTH methods (client chooses).

The SMTP server does not at this time support SMTP-TLS sessions.

The SMTP server can service multiple simultaneous incoming sessions and messages, with multiple recipients per message.

The SMTP server also supports the SEND, SAML and SOML commands for delivering instant messages (a.k.a. telegrams) to users of the BBS.

SendMail

The SendMail Thread is responsible for delivering mail using the SMTP or ESMTP protocols, optionally authenticating using PLAIN, LOGIN, or CRAM-MD5 SMTP-AUTH methods if required by an SMTP relay server.

The SendMail Thread does not at this time support SMTP-TLS sessions.

The SendMail Thread currently can service one outgoing SMTP/ESMTP session at a time.

Post Office

The mail server also services authenticated “post office” requests from mail clients using the POP3 protocol, by default, on TCP port 110.

The POP3 server supports client authentication via the USER or APOP methods.

The POP3 server can service multiple simultaneous incoming sessions.

For IMAP support, see Deuce's IMAP Service.

Anti-SPAM

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External Mail Processors

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ListServer

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See Also


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