Software Alternatives & Reviews


OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...

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OpenSMTPD Alternatives

The best OpenSMTPD alternatives based on verified products, community votes, reviews and other factors.
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  1. 25

    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail.

  2. 21

    sSMTP is a simple MTA to deliver mail from a computer to a mail server.

  3. 20

    Sendmail is a general purpose internetwork email routing facility that supports many kinds of...

  4. 12

    msmtp is an SMTP client.

  5. 17

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

  6. 10

    Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

  7. 11

    Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site.

  8. 10

    Open source SMTP server written in Node.js

  9. A small Mail Transport Agent (MTA), designed for home and office use. Part of ...

  10. esmtp is a user configurable relay-only Mail Transfer Agent (MTA) with a sendmail compatible syntax.

  11. A fully fledged, free email server solution, an open source project (GPL v2).

  12. Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

  13. Add forums and commenting to your site. Unlimited posts, users and traffic, for free. Embeddable, styleable and scriptable.

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Author: | Publisher: SaaSHub
Categories: SMTP Server, MTA, Email