DavMail
POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.
- Email Servers
- Java
- GPL-2.0
- Actively maintained
GitHub stats
- GitHub stars
- 765
- Forks
- 117
- Open issues
- 40
- Commits, last 12 months
- 553
- Last commit
- Oct 5, 2026
- Latest release
- No releases
- Created
- Jun 13, 2018
Data from the GitHub API, refreshed daily.
About DavMail
POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access. DavMail is open source under the GPL-2.0 license and written mainly in Java, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 765 stars and 117 forks on GitHub, with 553 commits over the last year. It installs natively rather than through an official Docker image, so plan for a short manual setup.
Topics
- exchange-server
- imap
- pop3
- ldap
- caldav
- carddav
- smtp
- gateway
- office-365
- exchange
Repository preview
Similar apps
More apps like DavMail
Other projects in Email Servers, ranked by GitHub stars.
docker-mailserver
docker-mailserver/docker-mailserver
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database.
Email ServersShellDockerPostal
postalserver/postal
Complete and fully featured mail server for use by websites & web servers.
Email ServersRubyDockerMail-in-a-Box
mail-in-a-box/mailinabox
Turns any Ubuntu server into a fully functional mail server with one command.
Email ServersPythonStalwart Mail Server
stalwartlabs/stalwart
All-in-one mail server with JMAP, IMAP4, and SMTP support and a wide range of modern features.
Email ServersRustDockerMailcow
mailcow/mailcow-dockerized
Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration.
Email ServersJavaScriptDockerMailu
Mailu/Mailu
Simple yet full-featured mail server as a set of Docker images.
Email ServersPythonDocker
What is DavMail?
DavMail is a free, open-source app you can host on your own server, listed in our Email Servers category. POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access. The source code lives at github.com/mguessan/davmail, where it has 765 stars.
Is DavMail free and open source?
Yes. DavMail is open-source software released under the GPL-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run DavMail with Docker?
DavMail does not list an official Docker image. It installs natively (Java), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to DavMail?
Popular open-source alternatives to DavMail include docker-mailserver, Postal and Mail-in-a-Box.
Is DavMail actively maintained?
The most recent commit to DavMail was on Oct 5, 2026 with 553 commits in the past twelve months. Check the open issues on GitHub to gauge how quickly maintainers respond.