Open Source Unix Shell Email Software

Untangle is a Linux-based network gateway with pluggable modules for network applications like spam blocking, web filtering, anti-virus, anti-spyware, intrusion prevention, bandwidth control, captive portal, VPN, firewall, and more. Visit http://untangle.com

Liberté Linux is a secure, lightweight, and easy to use Gentoo-based Linux distribution intended as a communication aid in hostile environments. Liberté installs on a USB key, and boots on any computer or laptop.

MailCleaner is no longer maintained. It will return soon in another form. [antispam] MailCleaner is an anti-spam / anti-virus filter SMTP gateway with user and admin web interfaces, quarantine, multi-domains, multi-templates, multi-languages. Using Bayes, RBLs, Spamassassin, MailScanner, ClamAV. Based on Debian. Enterprise ready. MailCleaner is an anti spam gateway installed between your mail infrastructure and the Internet. It includes a complete GNU/Linux OS and a graphical web interface for user and administrative access. It comes in the form of virtual machine templates.. - fully compatible with any SMTP mail server (Exchange, Zimbra, O365,...) You can install now MailCleaner within the following virtual environments: qcow2 (KVM, Proxmox, OpenStack, Xen) ova (OVA, VMware ESXi, VMware Workstation, Fusion) vhd (Asure, VirtualPC) vhdx (Hyper-V) AMI (Amazon) Dedicate a server to MailCleaner, and you will have a working professional mail filter in le

FIDOGATE is a Fido-Internet gateway, a Fido FTN-FTN NetMail gateway, a Fido tosser, a Fido file processor/ticker, and a Fido Areafix/Filefix program (The latest code is in CVS but a GIT repository is being prepared.)

Note: for binaries and installation instruction please visit official website. http://ictfax.org/ ICTFAX is multi-user, web based business solution with advance billing capabilities featuring duration as well as per unite billing , ICTFAX features email to fax, web to fax , fax to email, supports G.711, PSTN and T.38 origination and termination.

Faces - a Gtk+ program for monitoring a list (typically mail incoming messages) visually. It supports IMAP and POP mailboxes. There is a huge collection of picons (personal icons) that can be used in conjunction with the faces program.

Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support

This is a Program code editor and code brower with built-in analysis for C/C++ programs.

ISPMan is a system to design massive ISPs using LDAP as the backend. ISPMan provides a web front end and a command line interface to create virtual domains and manages users, dns information, email infos and httpd setup data for these vhosts.

Unix-Connect kann sehr vielseitig eingesetzt werden. Entwickelt wurde es um ein Unix-System als Server im Z-NETZ einsetzen zu können. Nebeneffekt ist die Gateway-Funktion. Gerade die Gateway-Routinen sind relativ gut portabel

Store your contacts and calendars on your own Synology NAS, away from the inquisitive eyes of Google, NSA and others. Baïkal itself is an already existing, lightweight CardDAV (contacts) and CalDAV (calendar) server. The source code is public, and available to everyone on GitHub. Baïkal is copyright (c) 2013 by Jérôme Schneider, the homepage is http://baikal-server.com. This SPK package for Synology integrates the Baïkal "flat package", making it easy to install Baïkal on your Synology NAS. The package and manual were made by Erik "Basalt". => PDF manual can be downloaded here in the [Files] section, highly recommended <= If you like Baïkal, please consider making a small donation to the developer Jerome Schneider. German Synology Forum (writing English is fine): http://www.synology-forum.de/showthread.html?49257-Baïkal-contacts-(CardDAV)-and-calendar-(CardDAV)-installation-package-for-Synology&p=392006&viewfull=1#post392006

This is a simple printer driver and backend for sending e-mail through the Common Unix Printing System (CUPS) software.

A qmail distribution based on dirqmail intended to be used by qmail power users.

AMaViS is a script that interfaces a mail transport agent (MTA) with virus scanners.

AVA SBS is a collaboration of Open-Source software designed to give small businesses a cost effective server solution with Enterprise capabilities. AVA-SBS gives business an easy to administrate Primary Domain Controller, Print Server, File Server, Email

A collection of Java programs using JavaMail API to help automating the process of sending mails.

Program to automate the backup of the MySQL database & file directory, and send the backup data files to an offsite destination for safe storage through email. Works with Joomla!, Mambo, PostNuke, WordPress & etc. See http://ecommerce.matrix-e.com NO

Email2Fax and Fax2Email gateway for Asterisk, that could be integrated to your own existing Asterisk.

Synology Mail Station uses Roundcube for web based mail. Although Synology has a CardDAV Server now, the Roundcube they ship with Mail Station has no plugin for actually using it. This installable package for Synology DSM adds the CardDAV interface to Roundcube, allowing usage of the contacts from your CardDAV server. This package is based on the excellent "RoundCubeMail CardDAV" plugin of Benjamin "blind-coder" Schieder, as published on: https://github.com/blind-coder/rcmcarddav.

Copfilter is a easy to install addon for the opensource firewall IPCop. It filters POP3, SMTP, HTTP, and FTP traffic for viruses and spam using various open source programs.

DAde POP3/IMAP Mail Gateway

Test Suite for DICOM-E-Mail Teleradiology Protocol

Davmail ( https://sourceforge.net/projects/davmail/?source=directory ) is an amazing program that I use on daily basis on my personal and business computers. This is a script I wrote to control Davmail. This program will allow you to: - Start / Stop / Restart / Install / Update or check the status of Davmail. I wrote it primarily to help myself, initially to get make the update of davmail a bit easier.

This is a bash script that provides to a Linux DNS server Dynamic DNS capabilities using any pop3 client.