Postfix Documentation

• Basic configuration
• Small/home office hints and tips
• Standard configuration examples
• Address rewriting
• Virtual domain hosting
• SASL Authentication
• IP Version 6 Support
• SMTPUTF8 support
• TLS Encryption and authentication
• TLS Forward Secrecy
• TLSRPT Support
• REQUIRETLS Support
• Multiple-instance management
• Postfix logging to file or stdout
• Backwards-Compatibility Support
• Replacements for Deprecated Features
• Installation from source code

• Bottleneck analysis
• Stress-dependent configuration
• Performance tuning
• Debugging strategies

• Content inspection overview
• Stopping backscatter mail
• Built-in content inspection
• After-queue content filter
• Before-queue content filter
• Before-queue Milter applications

• Relay/access control overview
• Access policy delegation
• Address verification
• Per-client/user/etc. access
• Zombie blocking with postscreen
• ETRN Support
• LAN connected via UUCP

• Lookup table overview
• Non-Berkeley-DB migration
• CDB Howto
• Berkeley DB Howto
• LDAP Howto
• LMDB Howto
• Memcache Howto
• MongoDB Howto
• MySQL Howto
• PCRE Howto
• PostgreSQL Howto
• SQLite Howto

• VERP Support

• Linux issues
• NFS issues

• Maildrop

• Architecture overview
• All main.cf parameters
• All Postfix manual pages
• Rejecting Unknown Local Recipients
• Address Classes
• Connection cache howto
• DSN support
• BDAT (CHUNKING) support
• Guidelines for Package Builders
• Queue Scheduler
• XCLIENT Command
• XFORWARD Command
• Work-in-progress

For maintainers and contributors

• Writing Postfix unit tests