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Lettre Alternatives

Lettre is described as 'mailer library for Rust' and is an app in the office & productivity category. There are five alternatives to Lettre for a variety of platforms, including Linux, Mac, Windows, Online / Web-based and BSD. The best alternative is Postfix, which is both free and Open Source. Other great apps like Lettre are MailHog, OpenSMTPD, Inbucket and Go-Guerrilla.

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Lettre iconLettre
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  • FreeOpen Source
  • Mac
  • Windows
  • Linux

Lettre is a mailer library for Rust.

Learn more about Lettre

  1. Postfix icon

    Postfix

    • Mac
    • Linux
    22 alternatives to Postfix 

    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 its former names VMailer and IBM Secure Mailer.

     Postfix has no features, suggest some!
    Screenshot
  2. MailHog icon

    MailHog

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    • Docker
    26 alternatives to MailHog 

    MailHog is an email testing tool inspired by MailCatcher, but easier to install.

     Suggest and vote on features
    Features
    1.  PortableMailHog can be used from a USB stick or similar with no prior installation.
    Screenshot


  3. OpenSMTPD icon

    OpenSMTPD

    • FreeOpen Source
    • Linux
    • BSD
    • Self-Hosted
    12 alternatives to 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.

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    Features
  4. Inbucket

    • FreeOpen Source
    • Mac
    • Windows
    • Linux
    5 alternatives to Inbucket 

    Need to test your webapps outbound emails with Mailinator but stuck behind a firewall? Want to keep the new application you are developing secret until it’s time to release it? Need to validate that emails go out as part of your integration test suite?

     Suggest and vote on features
    Features
    Screenshot
  5. Go-Guerrilla icon

    Go-Guerrilla

    • FreeOpen Source
    • Online
    5 alternatives to Go-Guerrilla 

    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.

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    Features
Showing 5 of 5 alternatives
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