Lettre Alternatives

    Lettre is described as 'provides the following features:' 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 (Free, Open Source), OpenSMTPD (Free, Open Source), Inbucket (Free, Open Source) and Go-Guerrilla (Free, Open Source).

    This page was last updated Aug 18, 2021

      • FreeOpen Source
      • Mac
      • Linux
      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.
    1. MailHog is an email testing tool inspired by MailCatcher, but easier to install. - Configure your application to use MailHog for SMTP delivery - View emails in the web UI, or through JSON API - Release messages to real SMTP servers for delivery


      • FreeOpen Source
      • Linux
      • BSD
      • Self-Hosted
      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.
      No screenshots yet
      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      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?
      • FreeOpen Source
      • Online
      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.
      No screenshots yet
    Showing 5 of 5 alternatives