Sanebox - SaneBox is a cloud-based service that allows users to filter and manage their emails.
Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
Covideo - Covideo is a Video Email Platform for Businesses that enables companies to communicate quickly and effectively with their customers.
Sendmail - Sendmail is a general purpose internetwork email routing facility that supports many kinds of...
SpamTitan - Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.
Exim - Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.