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.
Lettre Alternatives
Lettre is described as 'Mailer library for Rust' and is an app in the office & productivity category. There are six alternatives to Lettre for a variety of platforms, including Linux, Mac, Windows, Web-based and BSD apps. The best Lettre alternative is Postfix, which is both free and Open Source. Other great apps like Lettre are Mailpit, MailHog, OpenSMTPD and Inbucket.
Alternatives list
- 26 Postfix alternatives
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux
32 MailHog alternativesMailHog is an email testing tool inspired by MailCatcher, but easier to install.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Docker
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.
Cost / License
- Free
- Open Source
Platforms
- Linux
- BSD
- Self-Hosted
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
Germany
EU
