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OpenSMTPD Alternatives

OpenSMTPD Alternatives

OpenSMTPD

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol.

Best OpenSMTPD Alternatives for Mac

If you want similar software to OpenSMTPD, we have a list for that. Are there OpenSMTPD alternatives out there? Let's find out.

Postfix

Postfix

FreeOpen SourceMacLinux

Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by...

Exim

Exim

FreeOpen SourceMacLinux

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.

Courier-MTA

Courier-MTA

FreeOpen SourceMacLinuxBSDSelf-Hosted

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier...

Features:

  • Email Server
  • SMTP
Sendmail

Sendmail

FreeOpen SourceMacLinux

Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol...

NikaMail

NikaMail

FreeOpen SourceMacLinux

NikaMail is a portable, extendable, zero-config email server. It is designed to perform automation tasks, provide access to mailboxes (port 110), serve as a mail...

Features:

  • Exchange email
  • Email Server
  • POP3 Support

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OpenSMTPD Reviews

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