This release includes:
- Handling network connections, including TLS support.
- SMTP compliancy (RFC 5321/5322).
- Interaction with the SMTP transaction.
- Scripting language (vSL) and configuration files.
- Local delivery using "maildir" (IMAP) protocol.
- Application logs.
About filtering functionalities :
- All SMTP state : HELO/EHLO, CONNECT, MAIL, RCPT, DATA.
- Inline filtering (pre-queue).
- Basic actions like accept, deny, rewrite, etc.
- User defined quarantine queues and logs.
- JSON and RAW exports.