Mailu
A full-featured self-hosted mail server delivered as a set of Docker images.
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About Mailu
Mailu packages a mail server as Docker images, with IMAP, SMTP and submission, client auto-configuration, webmail choices and an admin interface. Users get aliases, auto-reply, forwarding and managesieve; admins get per-domain delegation and quotas.
Security features include enforced TLS, DANE, MTA-STS, Let's Encrypt certificates, DKIM signing, an antivirus scanner and blocking of malicious attachments, plus greylisting and spam learning. All components are free software with no trackers, and it suits people who want email with a web admin panel on Docker.
Strengths
- Webmail and admin interface included
- Per-domain delegation and quotas
- Antispam and antivirus built in
- Only free software components
Limitations
- Requires Docker
- Releases are infrequent
Details
- Pricing
- FreeFree and open source.
- License
- Open source, license not stated
- Developer
- The Mailu contributors
- Platforms
- Linux, Self-hosted
- How it runs
- Self-hosted
- Account
- Not required
- Best suited for
- Self-hosters who want a Docker mail server with webmail and a web admin panel
- Categories
- Email clients, IT administration
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to Mailu
Compare allSoftware that can replace Mailu for an important use case, and what changes if you switch.
docker-mailserver
A complete mail server with SMTP, IMAP, antispam and antivirus, packaged as a single container.
docker-mailserver packs the whole mail stack with antispam and antivirus into a single container, but has no webmail or graphical admin interface, unlike Mailu.
Mox
An all-in-one open-source mail server for low-maintenance self-hosted email.
Mox is a single program covering SMTP, IMAP and webmail with automatic TLS and built-in DKIM, SPF and DMARC, and it does not require Docker.
Mailu as an alternative
Listings that name Mailu as an alternative.
Cyrus IMAP
An open-source email, contacts and calendar server with IMAP, JMAP, CalDAV and CardDAV support.
Mailu delivers a full mail server as Docker images with webmail, an admin interface and antispam, replacing Cyrus with a container-based stack.
Dovecot
An open-source IMAP and POP3 server that stores mailboxes and serves them to mail clients.
Mailu replaces a hand-built IMAP setup with a complete Docker mail server including webmail, admin interface and antispam.
Similar software
Related functionality, not necessarily a direct replacement.
Postfix
A widely used open-source mail transfer agent for routing and delivering email.
Exim
An open-source mail transfer agent for Unix systems with flexible routing and mail checking.
OpenSMTPD
A free SMTP server from the OpenBSD project for sending and receiving email.
Google Postmaster Tools
Google's web dashboard for checking a sending domain's reputation and mail deliverability to Gmail.
