docker-mailserver

Name: docker-mailserver
Brand: docker-mailserver

Fully featured mail server in a Docker container

softwareServer ManagementMail ServerDocker Containerization

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Our Verdict

Best for

Developers and sysadmins needing a ready‑made Dockerized mail server

Skip if

Those without Linux/Docker or needing a full GUI admin panel

What is docker-mailserver?

docker-mailserver provides a complete, production‑ready mail server stack packaged as a single Docker image. It bundles Postfix, Dovecot, SpamAssassin, ClamAV and other components, making deployment and management simple for developers and sysadmins. The solution runs on any Linux host with Docker, offering self‑hosted email with TLS, DKIM, SPF and easy user management via environment variables or mounted configuration files.

SpecificationsAI-estimated

deploymentSelf-hosted

open source✅ Yes

github stars18,620

api available✅ Yes

support optionsCommunity support

key integrationsDocker

primary languageShell

Key Features of docker-mailserver

Provides built-in Postfix for SMTP relay and delivery with full TLS support.

Integrates Dovecot to serve IMAP and POP3 with secure authentication.

Automatically generates and renews DKIM keys for domain signing.

Includes SpamAssassin and ClamAV for spam detection and virus scanning.

Supports LDAP and MySQL backends for centralized user accounts.

Offers a ready‑to‑use Roundcube webmail container as an optional add‑on.

Allows configuration via environment variables and mounted files for rapid changes.

Provides health‑check scripts and logs to simplify monitoring and troubleshooting.

Use Cases for docker-mailserver

Internal corporate email

Deploy a secure, self‑hosted mail system for company employees without relying on external providers.

Development and testing environments

Spin up a disposable mail server in CI pipelines to test email notifications.

Educational labs

Provide students with a hands‑on mail server for learning SMTP/IMAP concepts.

Small business hosting

Offer clients a managed email solution on a single Docker host.

Pros & Cons of docker-mailserver

Pros

Free and open‑source
Easy to deploy with Docker
Comprehensive feature set out of the box
Active community support

Cons

Requires Linux host with Docker installed
Advanced configuration can be complex
Limited official GUI for administration

Frequently Asked Questions

What platforms does docker-mailserver run on?

It runs on any Linux system that supports Docker, and can be managed via web interfaces.

Is docker-mailserver free to use?

Yes, it is released under an open‑source license and has no licensing fees.

How is support provided?

Support is community‑driven through GitHub issues, forums, and chat channels.

Can I integrate it with existing LDAP directories?

Yes, docker-mailserver supports LDAP authentication for user management.

Pricing Overview

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Free

Detailed plans are not listed. Visit the official website for pricing information.

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