Gentoo Portage Overlays - Browse mail-filter

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Browse mail-filter

High-performance interface between the MTA and content checkers.

A fast and small Bayesian spam filter

Bayesian spam filter designed with fast algorithms, and tuned for speed.

courier-pythonfilter

SRS (Sender Rewriting Scheme) wrapper for the courier MTA.

Distributed Checksum Clearinghouse

An SMTP proxy that signs and/or verifies emails using the Mail::DKIM module

dovecot-antispam

A dovecot antispam plugin supporting multiple backends

dovecot-antispam-sieve

A standalone anti-spam greylisting algorithm on top of Postfix

hashcash-milter

An IMAP mail filtering utility

The Sendmail Filter API (Milter)

A library for parsing, sorting and filtering your mail.

libspf2 implements the Sender Policy Framework, a part of the SPF/SRS protocol pair.

libsrs2 is the next generation Sender Rewriting Scheme library

Mail delivery agent/filter

Mailfilter is a utility to get rid of unwanted spam mails

Free Anti-Virus and Anti-Spam Filter

A challenge/response-based white-list spam filter

A milter-based regular expression filter

Helper program to normalize MIME encoded messages

A milter-based application to provide DKIM signing and verification

opensmtpd-filter-dkimsign

opensmtpd-filter-rspamd

Policy daemon for postfix and other MTAs

Weighted Policy daemon for Postfix

Anti-spam bayesian filter

postfix-mta-sts-resolver

Postgrey is a Postfix policy server implementing greylisting

Mail delivery agent/filter

Python based policy daemon for Postfix SPF checking

Vipul's Razor is a distributed, collaborative spam detection and filtering network

Perform lookups in RBL-styles services.

a mail filter written in Scheme

Sieve Command Line Interface

SpamAssassin is an extensible email filter which is used to identify spam.

spamassassin-botnet

SpamAssassin plugin that attempts to detect messages sent by a botnet

spampd is a program used within an e-mail delivery system to scan messages for possible Unsolicited Commercial E-mail content.

Fast, intelligent, automatic spam detector using Bayesian analysis.

SQLgrey is a postfix policy service implementing a grey-listing policy