Dev tools · alternatives · 2026
24 alternatives to Poste.io – free modern Docker email server with web administration
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Poste.io – free modern Docker email server with web administration launched in 2015; newer entries below may have overtaken it.
- 1PI
Full featured solution for your email server. Native implementation of the latest anti-spam methods, webmail and easy administration included.
2015 · poste.io · its alternatives →
- 2
Helo▲103An independent email API from former Postmark folks
22d ago · helohq.com · its alternatives →
- 3
Cuttlefish ▲83Free transactional email server with a lovely web interface
2014 · cuttlefish.io · its alternatives →
- 4
2014 · github.com · its alternatives →
- 5
ohai! I've released Lightwhale 3, which is possibly the easiest way to self-host Docker containers. It's a free, immutable Linux system purpose-built to live-boot straight into a working Docker Engine, thereby shortcutting the need for installation, configuration, and maintenance. Its simple design makes it easy to learn, and its low memory footprint should make it especially attractive during these times of RAMageddon. If this has piqued your interest, do check it out, along with its easy-to-follow Getting Started guide. In any event, have a nice day! =)
Apr 2026 · lightwhale.asklandd.dk · its alternatives →
- 6
- 7
opensend.ccfree▲160The open source email platform that runs on your server
22d ago · opensend.cc · its alternatives →
- 8
Responsive, Free, and Community Driven
2014 · dyspatch.io · its alternatives →
- 9
OpenShip▲154Open source PaaS on your server or in the cloud. No lock in.
Aug 2026 · openship.io · its alternatives →
- 10
- 11
- 12
Introducing Posthorn, a self hosted email gateway. One docker container (or Go binary) between every self hosted app on your VPS and your transactional email provider. Set up Posthorn once, point your apps to it, done. I was trying to deploy Ghost on a DigitalOcean droplet and found that DO and many different VPS services have started to block the default SMTP ports to try to combat the various types of abuse they get. To actually configure my app, I had to hack together a Postfix relay. In another project, I had a static site which had a contact form, but my free Formspree account was…
May 2026 · github.com · its alternatives →
- 13MI
2017 · marina.io · its alternatives →
- 14FM
2018 · flutemail.com · its alternatives →
- 15
A desktop client for SSH, SFTP, Docker over SSH
24d ago · github.com · its alternatives →
- 16
Kite▲62Super fast web dev environment setup, built on Docker
2014 · usekite.github.io · its alternatives →
- 17GGotEmail▲63
A fast, native Mac mail app for all your inboxes
3d ago · gotemail.com · its alternatives →
- 18
- 19AQ
2016 · medium.com · its alternatives →
- 20SA
2021 · svennex.com · its alternatives →
- 21
- 22PO
2015 · parsemail.org · its alternatives →
- 23PI
- 24AA
2014 · questo.email · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →