Postfix AlternativesMail Servers and other similar apps like Postfix
Postfix is described as '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' and is a Mail Server in the online services category. There are more than 25 alternatives to Postfix for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and BSD apps. The best Postfix alternative is Mail-in-a-box, which is both free and Open Source. Other great apps like Postfix are Exim, Mailpit, KumoMTA and MailHog.
- Mail Server
- Free • Open Source
License model
- Free • Open Source
Application type
Country of Origin
United States
Platforms
- Self-Hosted
- Roundcube
Mail-in-a-box VS Postfix
Comments about Mail-in-a-box as an Alternative to Postfix
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
License model
- Free • Open Source
Application type
Country of Origin
- International
Platforms
- Mac
- Linux
Exim Features
Exim VS Postfix
License model
- Free • Open Source
Country of Origin
Germany
EU
Platforms
- Mac
- Windows
- Linux
Mailpit Features
Mailpit VS Postfix
KumoMTA is the only true Open-Source PowerMTA alternative, capable of matching performance of several million messages per hour while providing granular traffic shaping configuration and automation across unlimited IPs.
License model
- Free • Open Source
Platforms
- Self-Hosted
KumoMTA Features
KumoMTA VS Postfix
32 MailHog alternativesMailHog is an email testing tool inspired by MailCatcher, but easier to install.
DiscontinuedThe last version (1.0.1) is from August 2020, and the project is unmaintained. https://github.com/mailhog/MailHog/issues/442
MailHog Features
MailHog VS Postfix
Comments about MailHog as an Alternative to Postfix
Mailhog is for testing if another application can send mails.
Postfix is for sending and receiving mails.
6 Stalwart alternativesStalwart is an open-core mail server solution with JMAP, IMAP4, POP3, and SMTP support and a wide range of modern features. It is written in Rust and designed to be secure, fast, robust and scalable.
License model
- Freemium • Open Source
Platforms
- Self-Hosted
- Docker
Stalwart Features
Stalwart VS Postfix
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.
License model
- Free • Open Source
Platforms
- Linux
- BSD
- Self-Hosted
OpenSMTPD Features
OpenSMTPD VS Postfix
7 Haraka alternativesHaraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin system allowing Javascript programmers full access to change the behaviour of the server.
License model
- Free • Open Source
Country of Origin
- International
Platforms
- Self-Hosted
- Node.JS
Haraka Features
Haraka VS Postfix
28 Sendmail alternativesSendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet.
License model
- Free • Open Source
Application type
Country of Origin
- United States
Platforms
- Mac
- Linux
Sendmail Features
Sendmail VS Postfix
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework.
Courier-MTA Features
Courier-MTA VS Postfix
sSMTP is a simple MTA to deliver mail from a computer to a mail server. sSMTP is simple and lightweight, there are no daemons or anything hogging up CPU; Just sSMTP. Unlike Exim4, sSMTP does not receive mail, expand aliases, or manage a queue.
License model
- Free • Open Source
Platforms
- Linux
DiscontinuedThe last update was in 2013.
sSMTP Features
sSMTP VS Postfix
A small Mail Transport Agent (MTA), designed for home and office use. Part of DragonFly BSD , it accepts mails from locally installed Mail User Agents (MUA) and delivers the mails either locally or to a remote destination.
License model
- Free • Open Source
Platforms
- Linux
- BSD
Dragonfly Mail Agent Features
Dragonfly Mail Agent VS Postfix
Mail-in-a-box uses Postfix internally