OpenSMTPD Alternatives

Apps similar to OpenSMTPD include Postfix, which is free and open source. Other options are Exim, Haraka, Sendmail and sSMTP. You can choose from more than 10 Mail Servers like OpenSMTPD for Linux, Mac, Windows, self-hosting and the web.

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Alternatives
OpenSMTPD alternatives page was last updated

Alternatives list

  1. Go-Guerrilla icon

    Go-Guerrilla

     Like

    A lightweight SMTP server written in Go, made for receiving large volumes of mail. To be used as a package in your Go project, or as a stand-alone daemon by running the "guerrillad" binary.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Online
    Good alternative?
     
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