Open Source Email App for iOS
Mail hosting made simple
PHP Email address validator
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
Fast Bayesian spam filter along lines suggested by Paul Graham
HotelSoft1.3 is a free open source software for the Hotel activity
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
Strong Email & Apache Log Analysis with Active Security Features
NaSMail is a standards-based webmail package written in PHP
Mailing List Manager - Web-based, Self-Hosted, Feature-Rich
Easily import email into TntConnect
Short perl script mail delivery agent
Multi-protocol server written in Java
An easy-to-use anti-spam email gateway
Win app reads your gmail inbox, autoreplies with jpeg of webcam device