Sendmail alternatives

Sendmail is an email routing system that handles various transfer and delivery methods, including SMTP. Originally derived from delivermail by Eric Allman, it is a widely used open source project in Unix environments.

Alternatives

• Postfix
• Zentyal
• Mail-in-a-box
• Zimbra Collaboration Suite
• Microsoft Exchange
• Exim
• Haraka
• OpenSMTPD
• sSMTP
• CrossBox
• Courier-MTA
• Dragonfly Mail Agent