Free mailcow: dockerized Alternatives

The best free alternative to mailcow: dockerized is Mail-in-a-box, which is also Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to mailcow: dockerized and 12 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to mailcow: dockerized are Zimbra Collaboration Suite, Proxmox Mail Gateway, Lightmeter and iRedMail.

mailcow: dockerized alternatives are mainly Mail Servers but may also be Email Marketing Services or WebMail Providers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of mailcow: dockerized.

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mailcow: dockerized

Free • Open Source
Mail Server

Linux
Self-Hosted

mailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a...

Learn more about mailcow: dockerized

Mail-in-a-box
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mail Server
Self-Hosted
Roundcube
13 alternatives to Mail-in-a-box
Easy-to-deploy mail server.
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Mail-in-a-box Features
IMAP Support
Nextcloud integration
Mail-in-a-box vs mailcow: dockerized opinions
Zimbra Collaboration Suite
Do you think this is a good alternative?
Yes
No
Freemium • Open Source
Mail Server
Calendar App
Team Collaboration Tool
Linux
Online
Self-Hosted
43 alternatives to Zimbra Collaboration Suite
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
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Zimbra Collaboration Suite Features
1. Real time collaborationMultiple users can work together in Zimbra Collaboration Suite simultaneously.
ActiveSync
Active Directory integration
Proxmox Mail Gateway
Do you think this is a good alternative?
Yes
No
Freemium • Open Source
Linux
Self-Hosted
8 alternatives to Proxmox Mail Gateway
Proxmox Mail Gateway is the leading open-source email security solution helping you to protect your mail server against all email threats the moment they emerge.
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Proxmox Mail Gateway Features
1. Mail FilteringProxmox Mail Gateway classifies email messages according to specified criteria, allowing you to automatically recognize fraudulent or spam messages.
2. Spam FilterProxmox Mail Gateway can detect unsolicited, unwanted and virus-infected emails, calls, files, etc.
Integrated Spam Protection
Lightmeter
Do you think this is a good alternative?
Yes
No
Free • Open Source
Linux
Self-Hosted
21 alternatives to Lightmeter
Managing mailservers without delay or disruption is hard. Lightmeter Open Source Mailops monitoring that saves you time and money.
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Lightmeter Features
Blacklist monitoring
Email deliverability
Server Monitoring
iRedMail
Do you think this is a good alternative?
Yes
No
Freemium • Open Source
Mail Server
Linux
BSD
Self-Hosted
69 alternatives to iRedMail
A fully fledged, free email server solution, an open source project (GPL v2).

Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support.

Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.

Works on both no.

iRedMail has no features, suggest some!

iRedMail vs mailcow: dockerized opinions
hMail Server
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mail Server
Windows
25 alternatives to hMail Server
hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.
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hMail Server Features
IMAP Support
Convert images to PDF
SMTP Support
POP3 Support
Discontinued
hMail Server is no longer supported by the people who created it and has been discontinued – so use it at your own risk.
Mailu
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mail Server
Linux
Self-Hosted
6 alternatives to Mailu
Mailu is a simple yet full-featured mail server as a set of Docker images. It is free software (both as in free beer and as in free speech), open to suggestions and external contributions.

Mailu has no features, suggest some!
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Modoboa
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mail Server
Linux
Self-Hosted
12 alternatives to Modoboa
Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. It provides useful components such as an administration panel or a webmail.
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Modoboa Features
Email monitoring
Admin panel
Modular System
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Modoboa vs mailcow: dockerized opinions
Almost everyone thinks Modoboa is a great alternative to mailcow: dockerized.
Poste.io
Do you think this is a good alternative?
Yes
No
Free Personal • Proprietary
Mail Server
Linux
17 alternatives to Poste.io
Full featured solution for your Email server. Native implementation of last anti-SPAM metods, webmail and easy administration included.
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Poste.io Features
Support for Docker
Postfix Admin
Do you think this is a good alternative?
Yes
No
Free • Open Source
Mac
Windows
Linux
Online
10 alternatives to Postfix Admin
Postfix Admin is a web based interface used to manage mailboxes, virtual domains and aliases. It also features support for vacation/out-of-the-office messages.
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Postfix Admin Features
Web-Based
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