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Mailcrypt is an Emacs Lisp package which provides a simple interface to public key cryptography with PGP [and now GnuPG!].
Mailcrypt makes strong cryptography a fully integrated part of your
normal mail and news handling environment
This is an API package written by the company Open Plug that interfaces with their proprietary telephony solution on Linux platforms. The final library produced is called liboptelephony. This is under the BSD license.
This version is no longer maintained here, please see www.firetrust.com for the latest versions
MailWasher Server is a highly accurate server-side spam filtering package with a polished, well-integrated web interface and built-in quarantine management facilities. Fully supports Windows Server/Exchange Server, Linux and Solaris.
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This package is an implementation of BATV (Bounce Address Tag Validation), a draft proposal for detecting and messages making fraudulent use of a sender address. The filter is written as a plugin to Sendmail or other filters using the milter API.
EverList is a freeware standard listserv package written in PHP on a MySQL database backend. Includes both email digest and web-based forum interfaces. Supports multiple customized forums.
N-Browse is a client-server package for interactive visualization of network data with heterogeneous types of links, intended for ease of use and designed using a generic database schema for data integration and visualization.
DOGTOWN - Free Software & Tools for administrators ||| please read the Release Notes or docs @ http://dogtown.mare-system.de for a description of each package
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".
This is a collection of Perl scripts that can be used within dot-qmail(5) configurations. This collection extends the set of utilities which are part of the qmail package by Dan J. Bernstein and follows the conventions of qmail-command(8).
Pardus (Linux distribution) has its own package manager named Pisi. Pilonga automatically downloads Gentoo ebuild files and converts to Pisi source files.
SquirrelOutlook is a standards-based webmail package written in PHP4 (Squirrelmail). It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 for maximum compatibility across browsers.
An e-mail and usenet news reader written entirely in Java. E-mail accounts and newsgroups can be created and subscribed to, respectively, from a formatted data package.
This is a set of .NET class libraries, designed to use various Internet protocols in a easy-to-use OO matter. So far it contains a POP3 and an IRC (Internet Relay Chat) library.
This project is named PSCM, an acronym for POSTFIX, Spamassassin, ClamAV, Mailscanner. It is an integrated RPM package featuring a SMTP mail server, with spam filtering and virus scanning capabilities, designed for easy installation and usage.
PHP-Lib-Xtreme is a package containing many object oriented PHP classes and is available under the GNU Lesser License. It is our aim to make a complex but also simple library available.
This is a reference implementation of Identified Internet Mail - a signature based message authentication mechanism that can be used to combat phishing and spam.
The package includes a sendmail milter and a key registration server.
This project is obsolete andhas been superseded by DomainKeys Identified Mail (DKIM). It is primarily of historical interest.
Tortoise Mail is a POP3 and SMTP E-Mail Client written in PHP. By using PEAR Package DB, it supports many SQL-Based Databases (dbase, fbsql, ibase, ifx, msql, mssql, mysql, oci8, odbc, pgsql, sqlite, sybase). It is also PHP 5.x compatible.
The Pals Antispam Mail Filter marks mail from people you have not designated as being one of your pals. The package includes a pal harvester which extracts addresses in mail you send from the To:, Cc:, and Bcc: fields, and designates them as a pal.
Cadmin (Courier Admin) is a free software package that provides a framework and associated toolset for managing a scalable courier mail system with virtual domains.