InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →
Mailcow Alternatives
Similar projects and alternatives to Mailcow
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Keep full control over the data you collect and tailor the form builder’s entire look and feel to your users’ needs. SurveyJS works with React, Angular, Vue 3, and is compatible with any backend or auth system. Learn more.
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awesome-selfhosted
A list of Free Software network services and web applications which can be hosted on your own servers
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Nginx Proxy Manager
Docker container for managing Nginx proxy hosts with a simple, powerful interface
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Tutanota makes encryption easy
Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Mail-in-a-Box
Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
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yunohost
YunoHost is an operating system aiming to simplify as much as possible the administration of a server. This repository corresponds to the core code, written mostly in Python and Bash.
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docker-mailserver
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
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emailwiz
Script that installs/configures a Dovecot, Postfix, Spam Assassin, OpenDKIM Debian web server
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better Mailcow alternative or higher similarity.
Mailcow discussion
Mailcow reviews and mentions
Posts with mentions or reviews of Mailcow.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-06-19.
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Self-hosting like a final boss: what I actually run on my home lab (and why)
Mailcow / Mailu
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Setting up mailcow on mail server on an EC2 instance
$ cd /opt $ git clone git clone https://github.com/mailcow/mailcow-dockerized $ cd mailcow-dockerized $ ./generate_config.sh
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Quadlet: Running Podman containers under systemd
Funny how they cite https://github.com/mailcow/mailcow-dockerized/blob/cb0b0235f... as terrifying when it's simple and a single file for me and I'm terrified of lots of small files and that whole systems/redhat approach because it always broke in subtle ways for me.
(Not judging on podman/quad let, just my personal preference)
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Mox – modern, secure, all-in-one email server
> Wow... having just gone through a 20+ hour byzantine nightmare of setting up postfix & dovecot
Did you do this by hand / manually, or use a 'pre-canned' solution like:
* https://mailcow.email
* https://workaround.org
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Ask HN: Replacement for Rackspace SMTP Hosting?
If you had a server around, considering just setting up https://mailcow.email/ it's super easy and straigforward. Everything is in docker compose. `docker compose up` and you go.
If you want a hosted SMTP for your own single domain, and volume is low, consider just using AWS SES. I run betterdev.link with it, send about 20k email per months and pay around $2
If finally you want some nice and easy UI to use for email forwarding and SMTP, consider my email forwarding app https://mailwip.com It was built for this use case.
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A SpamAssassin Surprise
You could go with https://mailcow.email, it's pretty easy to setup and keep up to date.
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European Alternatives
> Which different provider did you go with?
I actually fell back to Gmail for the time being - I just don't like to "advertise" any Google product for known reasons, even though Gmail is a quite solid product, sorry about the confusion - but that's my temporary solution.
I am planning to either give Migadu a try or host my own mail provider. (I have seen some good feedback about https://mailcow.email)
- Docker Compose: version` is obsolete warning
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Ask HN: Self Hosting an Email Server?
I've been running mailcow [1] on a Hetzner cloud server for a few years and am pretty happy with it.
[1] https://mailcow.email
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Free Zoho Mail alternatives for using custom email domain?
I have been searching for a self-hosted suite similar to Google Worksuite. I found the following: 1. Mailcow - https://mailcow.email/
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A note from our sponsor - InfluxDB
www.influxdata.com | 15 Jul 2025
Stats
Basic Mailcow repo stats
188
10,736
9.5
1 day ago
mailcow/mailcow-dockerized is an open source project licensed under GNU General Public License v3.0 only which is an OSI approved license.
Mailcow is marked as "self-hosted". This means that it can be used as a standalone application on its own.
The primary programming language of Mailcow is JavaScript.
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