Postfix - Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.
Mailu - Mailu is a simple yet full-featured mail server as a set of Docker images.
sSMTP - sSMTP is a simple MTA to deliver mail from a computer to a mail server.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Sendmail - Sendmail is a general purpose internetwork email routing facility that supports many kinds of...
MailEnable - MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.