Email Filters

Policy Daemon project is an anti-spam plugin for Postfix (written in C) that does Greylisting, Sender-(envelope, SASL or host / ip)-based throttling (on messages and/or volume per defined time unit), Recipient rate limiting, Spamtrap monitoring / blacklisting, HELO auto blacklisting and HELO...

Turba is a production level address book, and makes heavy use of the Horde framework to provide integration with IMP and other Horde applications. Turba is the Horde contact management application. Turba is a complete basic contact management application. SQL, LDAP, IMSP, Kolab, and Horde...

Poprox is a POP3 and SMTP transparent filtering proxy. The project does virus scanning using libclamav and is comparable to p3scan in philosophy. Its design is based on a multi-process architecture which allows the detection of libclamav crashes. When this occurs, Poprox is able to delete the...


Platforms: *nix

Spamity is a Web interface for Postfix log files that makes it possible to view filtered spam messages, which is useful for testing the effectiveness of filtering rules. Authentication is possible through an IMAP server or LDAP directory, and desired accounts can receive administrator...


Platforms: *nix

SQLgrey is a Postfix greylisting policy service with auto- whitelisting and an SQL database as storage backend. The project is based on postgrey, refining auto-whitelisting and storing whitelists and connection attempts in a database. Its goal is reducing the amount of spam reaching user...


Platforms: *nix

Heirloom mailx (formerly known as "nail") is derived from Berkeley Mail and provides the functionality of the System V and POSIX mailx commands..


Platforms: *nix

WebAvis is a Web frontend to amavisd-new written in PHP. It allows owners of a mail account to manage their amavisd-new parameters, like spam scores, white/black lists and filter behavior.. A web frontend to the mail scanner Amavisd-new


Platforms: *nix

maildirproc is a program that processes one or several existing mail boxes in the maildir format. maildirproc is primarily focused on mail sorting — i.e., moving, copying, forwarding and deleting mail according to a set of rules. It can be seen as an alternative to procmail, but instead of...


Platforms: *nix

scrssfeed is a simple filter to use in mail programs to grab URLs from the messages that state that spamcop "has accepted X mails for processing" and convert them to RSS so they can be used as a "live bookmark" in a browser. scrssfeed is a very simple script that does one thing: convert the...


Platforms: *nix

qmail-rblchk filter all incoming mail and check if it comes from RBL listed IPs. It is for use in .qmail to check the IP address from the Received lines. qmail-rblchk has the same function as rblsmtpd, but the messages are checked at local delivery time. Compile it with: tar -xfz...


Platforms: *nix

amavisd-new is a high-performance and reliable interface between mailer (MTA) and one or more content checkers: virus scanners, and/or Mail::SpamAssassin Perl module. amavisd-new is written in Perl, ensuring high portability, reliability and maintainability. It talks to MTA via (E)SMTP or LMTP...


Platforms: *nix

TclMilter is a package for Tcl (written in C) that implements an interface to SendMails Milter (Mail Filter) API for developing custom scripted message rewriting and spam filtering processes. A thread-enabled Tcl build is required due to Milters threading requirements. However, you can only...


Platforms: *nix

SpugSpam is a script that runs a confirm-response spam filter. SpugSpam project is designed to be flexible, and intended for use within your procmail pipeline. It is not intended to be user friendly, so if you are asking yourself "whats a procmail pipeline?" then SpugSpam is probably not for...


Platforms: *nix

Spammer is an anti-spam mail filter for the popular MTA Sendmail. Spammer checks all IP-Addresses found in the mail header against a DNS blacklist (such as the one from Easynet, Spamcop or Osirusoft). Depending on the configuration, Spammer rejects mails from well-known spam sources or tags...


Platforms: *nix

Tagspam is a program which adds the word: SPAM into the subject line of a mail message which it identifies as spam. Identification is done by tracing Received: mail headers to identify the origin. The origin is then looked up in DNS black and whitelists. With version 0.4 CSV processing based on...


Platforms: *nix

Gld is a standalone greylisting server for Postfix. Gld project listen on a TCP port and uses MySQL for storing data. The server supports whitelists based on sender, sender_domain, and client_ip. It also supports light greylisting and DNS white lists..


Platforms: *nix

SSpamM comes from Semis Spam Milter is a spam filter for Sendmail that utilizes spambayes, heurestic spam filtering, and virus scanning (BitDefender, not included).. Get Sspamm at SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory....


Platforms: *nix

mail2chart project generates various statistical charts from a bunch of mail messages. The code for generating a certain type of chart is plugged into the program. This program depends heavily on MH for accessing mail messages and gnuplot for generating the charts. Installation: Scripts...


Platforms: *nix

The inline_smtp perl script was created to allow filtering of incoming mail on a separate server that houses the mailspools without running a full blown MTA. While its possible to configure another MTA, e.g. postfix, to relay all mail to a smart host and do filtering through postfix, the queue...


Platforms: *nix

Python milter module provides a python interface to Sendmails libmilter that exploits all its features. Milters can run on the same machine as sendmail, or another machine. The milter can even run with a different operating system or processor than sendmail. Sendmail talks to the milter via a...


Platforms: *nix