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Postfix Add-on Software

before smtp auth | configuration mgt | virus/spam content filters | fax<->mail | list managers | logfile analysis | lookup tables | pop/imap | uce control | webmail | package mgt | autoreply | quota | other

This page lists tools, add-ons and howtos by subject. Just to be clear on what I am talking about, here is a brief definition of the terminology that is used below:

• Utility, system - requires no change to Postfix source code.
• Patch - requires making changes to Postfix source code.
• Howto - examples of using add-on software with Postfix.

Before SMTP authentication

• pop-before-smtp utility by Bennett Todd.
• whoson patch by Laurent Wacrenier.
• pop-before-smtp howto by Ralf Hildebrandt.
• DRAC howto by Ralf Hildebrandt.

Configuration management

• POSTCONF Mail Server.
• webmin system has a Postfix configuration module.
• webmin system documentation.
• tequila ( backup link) system for Postfix configuration management, including mail forwarding and autoreply.
• VIM macros to highlight keywords in Postfix main.cf files, by Peter Kelemen.
• BASH script for automatic completion of postconf commands by Carsten Hoeger.

Virus/SPAM content filters

• spampd spam filtering, transparent SMTP/LMTP proxy using SpamAssassin, in Perl by Maxim Paperno.
• amavisd-new utility, a high-performance interface between MTA and virus/SPAM scanners.
• Anti-spam gateway howto using OpenBSD, Postfix, amavisd-new, SpamAssassin, Razor and DCC.
• amavisd-new/Razor/SpamAssassin setup tutorial by Scott Henderson.
• amavis system, works with Postfix and other MTAs.
• mailscanner system, works with Postfix and other MTAs.
• avcheck utility by Michael Tokarev. Interfaces to several virus scanning engines.
• sophie system, works with Postfix and other MTAs.
• maildrop howto by Matthias Andree. The maildrop delivery agent is part of the Courier mail server software.
• anomy email sanitizer system.
• anomy howto by Derrick Webber.
• avpcheck howto by Ralf Hildebrandt.
• smtpprox generic SMTP filtering proxy by Bennet Todd.
• mailfilt utility by Bennet Todd.
• RAV system, works with Postfix and other MTAs.
• Vexira MailArmor virus scanner, works with Postfix on Linux, FreeBSD and OpenBSD.
• procmail howto for sanitizing email.
• html-trap utility by Samuel Seay for procmail-based content filtering.
• concierge utility by Rich Graves. Analyses Postfix logs and sends mail to users whose mail was rejected by Postfix content filtering.

Fax<->Email software

FaxmimumFax Messaging Server (FMS) integrates with Postfix and other MTAs and provides email-to-fax and fax-to-email gateways.

List managers

• Ecartis mailing list manager system (formerly: Listar).
• Listar howto by Craig Sanders.
• Mailman howto by Dax Kelson.
• Mailman, the GNU Mailing List Management System.
• majordomo howto by Jon Parise.
• SmartList Mailing List Management System howto.

Logfile analysis

• pflogsumm logfile analyzer utility by Jim Seymour.
• mailgraph, an RRDtool frontend utility by David Schweikert.
• mailstats logfile analyzer utility by Craig Sanders.
• LogReport logfile analyzer system. On-line log report processing is available at log@postfix.logreport.org.
• Logrep logfile analyzer system.
• Isoqlog logfile analyzer system (also supports qmail and Sendmail).

Lookup tables

• pam lookup table by Andrew I Baznikin; for example, use this to implement local_recipient_maps with RADIUS.
• cidr2abc utility by Gjermund Sorseth to convert arbitary net/mask patterns into octet based patterns such as used in Postfix access maps.
• NIS+ patch by Geoff Gibbs.
• cdb patch by Michael Tokarev.
• tinycdb Michael Tokarev's own CDB implementation.
• cidr patch by Jozsef Kadlecsik.
• postgresql patch by Philip Warner.
• postgresql patch by Mathieu Arnold.
• (backup site) postgresql patch by Mathieu Arnold.
• postgresql patch by Aaron Sethman.
• unix:alias.byname patch by Mindaugas Riauba for aliases lookups via the Linux nsswitch mechanism.
• Mysql howto by Daniel V. Pedersen. Uses Andrew McNamara's virtual delivery agent which is now part of Postfix snapshot releases.
• Postfix+Mysql howto (Indonesian Language).

POP/IMAP servers

• perdition system is a smart POP/IMAP proxy that connects users to the "right" POP/IMAP server.
• Cyrus IMAP system implements IMAP, POP3, and KPOP, later versions also support TLS. This software implements its own private mail database system. Not for beginners.
• vmail admin a set of PHP and PERL scripts for administering virtual domains on a pop toaster that uses Postfix, Postfix virtual or Courier IMAP, and MYSQL.
• Cyrus+SASL howto by Haim R. Dimermanas.
• Postfix+Cyrus+Web-cyradm howto by Luc de Louw.
• Courier-Imap system provides POP3 and IMAP, and supports access over SSL. This software supports the maildir-style mailbox format only (one message per file, same format as qmail).
• Postfix+LDAP+Courier-IMAP howto by Jeroen Vriesman.
• Postfix+MySQL+Courier-IMAP+Amavis howto by Martin List-Petersen.
• Postfix+MySQL+Courier-IMAP howto by Mischa Peters.
• Postfix+MySQL+Courier-IMAP howto by Kirby Menzel and Lucas Peet.
• Postfix + Courier + MySQL howto by Keith Matthews and contributors.
• Qpopper system supports POP3, TLS (SSL), and uses the traditional UNIX-style mailbox format (multiple messages per file, each message starts with "From sender date...").
• GNU pop3d howto by Jørgen Thomsen.
• MAC OS X howto for using Postfix with the (ugh) UW IMAP server.

UCE control

• Postfix Anti-UCE Cheat-Sheet by Jim Seymour.
• UCE and other howtos by Ralf Hildebrandt.
• ORDB (open relay database) configuration tips.
• Tagged Message Delivery Agent (TMDA) by Jason R. Mastaler, a system that requires unknown senders to send confirmation before they are put on a whitelist.
• Per-user UCE controls patch by Jozsef Kadlecsik.
• SpamAssassin mail labeling system.
• RBL+ howto by Furio Ercolessi; uses Jozsef Kadlecsik's patch.
• PERL extensions patch for UCE filtering of SMTP attributes by Daniele Orlandi.
• RBL analysis tools by Craig Sanders.

Webmail

• Squirrelmail PHP4 based system.
• OpenWebmail system.
• @Mail system (also for wireless telephone).
• IMP system.
• NeoMail system.
• CAMAS system, an IMHO variant.
• IMHO system.

Package management

• Solaris utility to create Postfix installable packages.

Autoreply software

• yaa! (yet another autoresponder) autoreply utility by Branko Grac. This can run as a one-time command at the end of a pipe, or as a resident server.
• Autoreply system architecture by Joshua E. Warchol. You still need to provide the PERL script that does the actual responding.
• gnarwl autoreply utility, uses LDAP instead of .foward+vacation.

Quota software

• Per-user mailbox quota patch by Keith Stevenson. Not part of Postfix because it does not work with maildir files and because users with .forward files can bypass quota restrictions.
• PostmMon Postfix Mail Box Monitor by Eduardo Mendes and Ricardo Malafaia. This sends mail notifications when a user has too much mail.
• Postfix virtual delivery agent patches with additional features including maildir quota by Xavier Beaudouin.

Other software

• IPV6 patch by Jun-ichiro itojun Hagino of the KAME project.
• IPV6 and IPV6+TLS patch Dean Strik.
• TLS patch by Lutz Jaenicke. Not part of Postfix until Wietse has figured out a way to avoid adding tens of thousands of lines of code to the SMTP client and server programs.
• mini_sendmail utility by Jef Poskanzer, a minimal program to submit mail over SMTP, for example, from a chrooted WWW server.
• Multi-line SMTP banners patch by Simon J Mudd. Grumble.
• Patches by Michael Tokarev.
• Patches by Ragnar Kurm.
• Patches by Cygnus: mail spool hashing, mailbox size limit, maildir size limit.