Top 12 Open-Source Alternatives to Haraka

Product categories

Chrome Extensions Email Email Clients Email Delivery Email Management Email Service Email Service Provider Enterprise Communication MTA Open Source SMTP Server Self-hosted Email

Summary

The top open-source alternatives to Haraka are Mail-in-a-box, mailcow, and iRedMail. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Mail-in-a-box Landing Page
1

Mail-in-a-box

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service Provider 115 social mentions
mailcow Landing Page
2

mailcow

An open source mailserver suite.
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service Provider 82 social mentions
iRedMail Landing Page
3

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).
Pricing:
- Open Source
#Email #SMTP Server #Self-hosted Email 2 social mentions
OpenSMTPD Landing Page
4

OpenSMTPD

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with...
Pricing:
- Open Source
#SMTP Server #Email #MTA 2 social mentions
WildDuck Landing Page
5

WildDuck

Self hosted modern mail server
Pricing:
- Open Source
#Email #Self-hosted Email #Email Service 8 social mentions
DBMail Landing Page
6

DBMail

DBMail is a fast, scalable IMAP4 and POP3 server that stores all email and users in a Postgresql...
Pricing:
- Open Source
#Email #Self-hosted Email #SMTP Server 4 social mentions
Exim Landing Page
7

Exim

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
Pricing:
- Open Source
#SMTP Server #Email #MTA
kumomta.com
8

KumoMTA

KumoMTA is the world's first Open-Source MTA designed from the ground-up for large-volume senders. Get a fast, flexible, supported solution.
Pricing:
- Open Source
- Free
- Free Trial
#Email #Self-hosted Email #SMTP Server 1 social mentions
Roundcube Landing Page
9

Roundcube

Web-based IMAP email client
Pricing:
- Open Source
#Email #SMTP Server #Email Clients 16 social mentions
Cypht Landing Page
10

Cypht

All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.
Pricing:
- Open Source
#Email #Email Clients #Email Management 4 social mentions
Closetab.email Landing Page
11

C

Closetab.email

Email reminders for tabs you want to close & read later
Pricing:
- Open Source
#Email #Productivity #Chrome Extensions 14 social mentions
Courier-MTA Landing Page
12

Courier-MTA

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open...
Pricing:
- Open Source
#SMTP Server #MTA #Email