Browse mail-filter
amavisd-new
High-performance interface between the MTA and content checkers.anomy-sanitizer
Perl based e-mail filtering tool, sensitive to html tags, mime types and attachmentsanubis
GNU Anubis is an outgoing mail processor.ask
Active Spam Killer: A program to filter spamassp
Anti-Spam SMTP Proxy written in Perl.bmf
A fast and small Bayesian spam filterbogofilter
Bayesian spam filter designed with fast algorithms, and tuned for speed.clamassassin
clamassassin is a simple script for virus scanning (through clamav) an e-mail message as a filter (like spamassassin)clamsmtp
ClamSMTP is an SMTP filter that allows you to check for viruses using the ClamAV anti-virus software.couriersrs
SRS (Sender Rewriting Scheme) wrapper for the courier MTA.dcc
Distributed Checksum Clearinghousedisspam
A Perl script that removes spam from POP3 mailboxes based on RBLs.dkimproxy
An SMTP proxy that signs and/or verifies emails using the Mail::DKIM moduledovecot-antispam
A dovecot antispam plugin supporting multiple backendsdspam
A statistical-algorithmic hybrid anti-spam filtergld
A standalone anti-spam greylisting algorithm on top of Postfiximapfilter
An IMAP mail filtering utilitylibdkim
a library to verify and create signatures of e-mail headerslibmilter
The Sendmail Filter API (Milter)libsieve
A library for parsing, sorting and filtering your mail.libspf2
libspf2 implements the Sender Policy Framework, a part of the SPF/SRS protocol pair.libsrs2
libsrs2 is the next generation Sender Rewriting Scheme librarylibsrs_alt
Sender Rewriting Scheme librarymaildrop
Mail delivery agent/filtermailfilter
Mailfilter is a utility to get rid of unwanted spam mailsMailScanner
Free Anti-Virus and Anti-Spam Filtermapson
A challenge/response-based white-list spam filtermilter-regex
A milter-based regular expression filtermimedefang
A program for Milter supported mail servers that implements antispam, antivirus, and other customizable filtering on email messagesnormalizemime
Helper program to normalize MIME encoded messagesopendkim
A milter-based application to provide DKIM signing and verificationp3scan
This is a full-transparent proxy-server for POP3-Clients.policyd
Policy daemon for postfix and other MTAspolicyd-weight
Weighted Policy daemon for Postfixpopfile
Anti-spam bayesian filterpostgrey
Postgrey is a Postfix policy server implementing greylistingprocmail
Mail delivery agent/filterprocmail-lib
Procmail Module Library is a collection of modules for Procmailpypolicyd-spf
Python based policy daemon for Postfix SPF checkingqmail-scanner
E-Mail virus scanner for qmail.razor
Vipul's Razor is a distributed, collaborative spam detection and filtering networkrblcheck
Perform lookups in RBL-styles services.scmail
a mail filter written in Schemesid-milter
A milter-based application to provide Sender-ID verification servicesieve-connect
Sieve Command Line Interfacespamass-milter
A milter for SpamAssassinspamassassin
SpamAssassin is an extensible email filter which is used to identify spam.spamassassin-botnet
SpamAssassin plugin that attempts to detect messages sent by a botnetspambayes
An anti-spam filter using on Bayesian filteringspamdyke
A drop-in connection-time spam filter for qmailspampd
spampd is a program used within an e-mail delivery system to scan messages for possible Unsolicited Commercial E-mail content.spamprobe
Fast, intelligent, automatic spam detector using Bayesian analysis.sqlgrey
SQLgrey is a postfix policy service implementing a grey-listing policytmda
Python-based SPAM reduction system
