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The free cross-platform antivirus software tool-kit
ALL DOWNLOADS HAVE MIGRATED TO HTTPS://WWW.CLAMAV.NET
Clam AntiVirus is a GPL cross platform antivirus toolkit. The main purpose of this software is the integration with mail servers. It provides a flexible and scalable multi-threaded daemon, a command line scanner, and an up-to-date virus database.
Github Repo is here: https://github.com/Cisco-Talos/clamav-devel
Spey is the easy way to reduce the amount of spam you receive. It sits between your mail server and the outside world and performs greylisting and other verification checks. It needs very little configuration and no mail server setup and Just Works(TM).
Converts quoted-printable, UTF-8, UTF-16BE, UTF16LE to 8-bit.
Command-line tool to decode text which has undergone MIME-typical encoding into (ISO-8859) 8-bit --- without having or parsing the relevant MIME type declarations.
Decodes quoted-printable sequences; handles UTF-8, UTF-16BE, UTF-16LE; optionally translates common characters from DOS or Windows code pages or HP-Roman8 into ISO-8859-1.
UCS characters can be mapped to 8-bit translation strings.
Single ISO C source file, "8conv.c".
Translation can be controlled through a configuration...
Image Cerberus is an image spam detector, based on pattern recognition and image processing techniques. It can be used as a SpamAssassin plug-in or integrated in any other anti-spam filter. It has been widely tested, achieving high performances.
SMWrapper receives e-mails as standard sendmail program, filters them for X-PHP-Script in the Header and manages limits and informs the user and administrator when a limit is reached. After processing, the real sendmail program gets invoked.
The spasm perl anti-spam milter is a SPAM filter for sendmail. Current features include logging & quarantine of rejected spam, fully virtualized settings for domains; individual white / blacklists, & over 24 filters, that can be set individually...
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Bogoclassify is a php extension to Bogofilter. It comes with a php function called bogoclassify_match(). You can use this function to run bogofilter within your php code, Just like your normal PHP function.
From this time on, LibPST will not be maintained here. It will be maintained at http://alioth.debian.org/projects/libpst/. Also, check the version at http://www.five-ten-sg.com/libpst
MailArchiva is a powerful, full featured email archiving (email archiver) and compliance solution for mail systems such as Microsoft Exchange. It stores all incoming, outgoing and internal emails for long term storage. A web based user interface is avail
A fast, client-server design for greylisting service. Initially intended for Postfix based e-mail servers, includes country identification and other tuning parameters.
This package contains an Open Source plug-in, for use with Open Source or commercial sendmail MTAs, which implements and enforces the merged Caller-ID/SPF specification from the IETF MARID working group, currently dubbed "Sender-ID".
qrcptcheck searches user databases to check if a supplied email address will be delivered to a valid recipient, with the goal to avoid mail bounces rejecting mail at SMTP level.
Surblhost is a small program to look up hostnames in the Spam URI Realtime Blocklists (SURBL). Many spam filters and related programs use SURBL to determine if given hosts have been used as links in spam email.
A milter (sendmail plugin with the ability to filter messages at the SMTP level) that lets each prospective recipient decide whether or not they want the message and rejects it if everyone agrees it's not wanted. Each user can examine the full message.
An optical character recognition filter for use with postifix or sendmail as a milter. The filter focuses on only processing images that it absolutely has to, this is to conserve computing power and not allow the spammer to use to many resources. Feature
The PigeonAir Project aims at releasing an Open and Free GPL solution to easily build up clustered, scalable and modular email services, targetted to satisfy all ISP needs.
IVS Milter is a plugin based content filtering milter. It currently supports... Virus (ClamAV) & Spam (SpamAssassin) scanning, Content-type, Attachment type & Attachment filename matching
GOSSiP is a P2P email reputation system. It uses social networking theory to track email sender spam behavior worldwide. Writtten in C and Perl, GOSSiP has compiled on Linux, Solaris, FreeBSD, and OS X. Works with multiple mailservers and spam filters.
CRM114 is a Controllable Regex Mutilator and filter. It provides arbitrary stream filtering for antispam, adkiller proxies, syslog monitoring, etc. CRM114 has a structured, easily understood way to express regex-based filters, and a learn-by-example mod
This is an open-source implementation of Elegitimizer.com's "elegitisigner" specification. An easily implemented validation mechanism to help eliminate illegitimate e-mail or Spam. Elegitisigner features a well documented web of trust model.