Docker Mailserver
The facts below are what the maker publishes about Docker Mailserver, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Docker Mailserver's own pages, with the date it was checked.
What it does
- Administration
- The project provides a setup script to configure and administer the mail server.checked 13 Oct 2026
- Authentication
- The repository lists LDAP and OAuth2 authentication support, including XOAUTH2 and OAUTHBEARER SASL mechanisms.checked 13 Oct 2026
- Client compatibility
- DMS supplies the server side of email, and its documentation says clients can include terminal programs, desktop applications or a web interface.checked 12 Oct 2026
- Configuration
- It uses configuration files and does not require a SQL database.checked 13 Oct 2026
- Customization
- DMS supports simple customization through Docker Compose configuration and environment variables, and advanced customization through configuration patches or a derived image.checked 12 Oct 2026
- Deployment
- The usage guide uses Docker Compose as its reference and requires a host the user can manage, a domain, and the ability to manage its DNS.checked 13 Oct 2026
- Fail2Ban
- Fail2Ban support can be enabled, and the documentation says it requires granting the container at least the NET_ADMIN capability to ban IP addresses.checked 13 Oct 2026
- Image distribution
- The usage guide says images are built and pushed to Docker Hub and GitHub Container Registry.checked 13 Oct 2026
- IMAP and POP3
- The default configuration enables IMAP with TLS on ports 993 and 143 and disables POP3.checked 12 Oct 2026
- Included services
- The project’s repository lists Postfix, Dovecot, Rspamd, Amavis, SpamAssassin, ClamAV, OpenDKIM, OpenDMARC, Fail2ban, Fetchmail, and Getmail6 among its included services.checked 13 Oct 2026
- Integrations
- Documented email relay options include AWS SES and Gmail, and the project also documents Kubernetes and Podman deployment.checked 12 Oct 2026
- License
- The project is licensed under the MIT license.checked 13 Oct 2026
- Mail components
- The documented mail delivery components include Postfix as the mail transfer agent and Dovecot as the mail delivery agent.checked 12 Oct 2026
- Mail security
- The project documents TLS for mail connections and recommends preferring implicit TLS ports where possible.checked 13 Oct 2026
- Podman support
- The project says Podman is not officially supported because DMS is built and verified on Docker Engine; its Podman guide is community supported.checked 13 Oct 2026
- Purpose
- Docker Mailserver is a production-ready mail server supporting SMTP, IMAP, LDAP, anti-spam, and anti-virus.checked 13 Oct 2026
- Security options
- The documentation includes configuration guidance for SSL/TLS, Fail2Ban, mail encryption, Rspamd, DKIM, DMARC, SPF and MTA-STS.checked 12 Oct 2026
- Setup
- The project supplies a setup.sh script to configure and administer the server.checked 12 Oct 2026
- Support
- The repository asks users to consult the documentation before opening issues and says the issue tracker is for issues, not personal support.checked 13 Oct 2026
- Support and guidance
- The project provides versioned setup, configuration, usage, examples and FAQ documentation and asks users to consult the documentation before opening an issue.checked 12 Oct 2026
- TLS
- The TLS guide documents certificate provisioning with Let's Encrypt, Caddy, Traefik, self-signed certificates, or user-provided certificates.checked 13 Oct 2026
- Transport security
- The documented default enables and requires STARTTLS on port 587 for outbound submission, while port 25 supports unencrypted submission and inbound mail by default.checked 12 Oct 2026
- What it does
- Docker Mailserver is a production-ready full-stack mail server providing SMTP, IMAP, LDAP, anti-spam and anti-virus in a container.checked 12 Oct 2026
Where it runs
- Supported image platforms
- The current container package lists linux/amd64 and linux/arm64 images.checked 13 Oct 2026
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