esmtp Alternatives

    esmtp is described as 'user configurable relay-only Mail Transfer Agent (MTA) with a sendmail compatible syntax. It's based on libESMTP supporting the AUTH (including the CRAM-MD5 and NTLM SASL mechanisms) and the StartTLS SMTP extensions'. There are seven alternatives to esmtp for Linux, Mac, Windows, BSD and Xfce. The best alternative is Postfix, which is both free and Open Source. Other great apps like esmtp are msmtp (Free, Open Source), sSMTP (Free, Open Source), Sendmail (Free, Open Source) and sendEmail (Free, Open Source).

    The list of alternatives was last updated Apr 10, 2021


    • Linux
    • Mac
    • Windows
    • BSD
    • Xfce


    • SMTP
    • Email Server
    • Network Tools
    • POP3 Support
    • Support for scripting
    • Support for NodeJS
    • Command line interface
    • Exchange email


    • Free
    • Open Source
    • Paid
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    Showing 7 of 7 alternatives