Afterlogic DAV vs Postal
A side-by-side comparison of two self-hosted mail servers options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Afterlogic DAV
CalDAV and CardDAV server for Afterlogic WebMail
VS
Postal
Complete mail delivery platform for outgoing email
| Feature | Afterlogic DAV | Postal |
|---|---|---|
| Category | Mail Servers | Mail Servers |
| License | AGPL-3.0 | MIT |
| Language | PHP | Ruby |
| Setup difficulty | Medium | Hard |
| Min. RAM | 256 MB | 2,048 MB |
| Deployment | source | docker, bare-metal |
| GitHub stars | ★ 2 | ★ 16,724 |
| First released | 2015 | 2017 |
| Replaces | Microsoft Exchange Web Access | SendGrid, Mailgun, Postmark |
Why pick each one
Choose Afterlogic DAV if…
- Released under the AGPL-3.0 license
- Written in PHP
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Afterlogic DAV or Postal better?
Neither is universally better. Postal has the larger community, while Afterlogic DAV is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Afterlogic DAV and Postal free and open-source?
Yes. Afterlogic DAV is licensed under AGPL-3.0 and Postal under MIT. Both can be self-hosted at no software cost.
Can I run Afterlogic DAV and Postal with Docker?
Afterlogic DAV: check the project docs for container support. Postal: yes.