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Mailu Alternatives
Similar projects and alternatives to Mailu
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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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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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emailwiz
Script that installs/configures a Dovecot, Postfix, Spam Assassin, OpenDKIM Debian web server
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docker-mailserver
Discontinued A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker. [Moved to: https://github.com/docker-mailserver/docker-mailserver] (by tomav)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better Mailu alternative or higher similarity.
Mailu discussion
Mailu reviews and mentions
Posts with mentions or reviews of Mailu.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-03-03.
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Ask HN: Replacement for Rackspace SMTP Hosting?
Made the switch to self-hosted https://mailu.io (on k8s) 2 years ago when Gandi announced the deprecation of their free plan.
Happy after IP was off most blocklists, but setup was kinda rough - https://mxtoolbox.com is your friend.
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Show HN: Proxmox VE Helper Scripts: Make managing your Proxmox homelab a breeze
I'm just going to repeat a bunch of what hughesjj has already said, but anyway:
OPNSense (as my household's internet interface), Unifi Controller (as my household's primary wifi), Jellyfin, Wireguard, Pi-hole, LMS[0], Frigate NVR (migrating off ZoneMinder, awaiting delivery of a Coral TPU to finalise this), couchdb (as Noteself[1] back-end), nginx (serving a handful of sites for my own entertainment), Mailu[2], Calibre[3], various other in-flight experiments (which Home Assistant will soon become, Bitmagnet DHT scraper).
Most of the above are docker instances hosted on a small number of VMs hosted on two (or sometimes three) physical machines running proxmox.
[0]: https://github.com/epoupon/lms (HN lurker)
[1]: https://noteself.org/
[2]: https://mailu.io
[3]: https://fleet.linuxserver.io/image?name=linuxserver/calibre or https://fleet.linuxserver.io/image?name=linuxserver/calibre-... (I can't remember which)
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Ask HN: Best Self Hosted Emails Service?
Self hosted - I went for mailu and it's very good:
https://mailu.io/
I didn't enable its Webmail feature though, so I have no idea if it's good or not. I just use Mail on iOS and macOS.
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Show HN: An ad free temporary mail service
Worth mentioning, if you want a docker-compose ready email server/service there's mailu[1]. It's relatively easy to get up and running, and will guide you through the DNS records for secure mail. I've got a couple test domains up so far, and it's mostly been good. Some outlook.com (not o365) domains have been problematic though, I'm sure everyone has stories here.
If the article's solution were open-source, would be interested in seeing the UI/UX. I also looked into WildDuck with great interest but the lack of good UI/UX is mostly what held me back. If I didn't have to work for a living, and was less lazy, I might have written something.
1. https://mailu.io/ -
Roundcube and docker-mailserver (Docker Mailserver) on the same VPS
Consider installing Mailu instead, which is a single Docker container with a full mail server and Roundcube on top. Very easy to install.
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Mail-in-a-Box: a mail server in a box
I've been using Mailu (https://mailu.io/) for years and have had no problems. I love that it has the concept of domain admins so that people can manage mailboxes for their own domains. DNS isn't automatic, but meh. Upgrading is easy (Docker + automatic migrations).
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what to use for self hosting email
Mailu is pretty solid for personal use and is lighter on memory than Mailcow
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Recently I've been considering switching away from Proton, but...
While hosting mail isn't easy, Mailu and similar projects make it way easier than it used to be.
- Alternative to MailCow
- Nextcloud AIO and MicroOS
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A note from our sponsor - SaaSHub
www.saashub.com | 18 May 2025
Stats
Basic Mailu repo stats
55
6,440
8.7
10 days ago
Mailu/Mailu is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.
Mailu is marked as "self-hosted". This means that it can be used as a standalone application on its own.
The primary programming language of Mailu is Python.
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