Software Alternatives, Accelerators & Startups


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

sSMTP Alternatives

The best sSMTP alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. 28

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

  2. 21

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

  3. The #1 email warming service to improve your deliverability by generating realistic and meaningful engagement to your emails. Easy-to-use solution to help you land in the main inbox instead of the spam folder.

    Visit website paid $19.5 / Monthly (Pro)

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  4. 22

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

    Open Source

  5. 21

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

    Open Source

  6. 17

    msmtp is an SMTP client.

  7. 16

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

  8. 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.

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

    Open Source

  10. 15

    sendEmail is a lightweight, command line SMTP email client.

    Open Source

  11. 10

    Blat is a small, efficent SMTP command line mailer for Windows.

  12. 12

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

  13. 10

    mailsend-go is a command line tool to send mail via SMTP protocol, written with golang.

  14. 12

    CMail is a free Windows command line mailer with advanced message formatting options.


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