E-MailRelay alternatives

E-MailRelay is an open-source app for Windows and Linux. It is free to use. Developed by Graeme Walker.

Alternatives

• Postfix
• Mail-in-a-box
• Exim
• Haraka
• OpenSMTPD
• Sendmail
• Courier-MTA
• Microsoft SMTP Server
• MailerQ
• Qmail