Mailcow
★ 13.6kGNU General Public License v3.0Open Source — No Paywall18 Containers — 18 containers — heavy hosting footprintDockerNeeds MariaDB32+ active committers (12mo)
About
mailcow is a dockerized mail server project aimed at people and organizations that want to self-host and manage email infrastructure. The README presents it as a packaged suite built around...
Community Ratings
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Read recap →Weekly Recap — Oct 2, 2026 – Oct 9, 2026Oct 9, 2026
Features
- self-hosted mail server
- official documentation
- community support
- support contract
- SAL purchase
Details
- Last Updated
- Oct 10, 2026
- Created
- Dec 9, 2016
- Install Methods
- docker
- Runtime / Stack
- DockerPHP
- Privacy & Independence
- No Cloud RequiredOffline Capable
- Deployment
Deployment: Docker Compose ✓18 Containers — heavy hosting footprintRuns as 18 containers
Docker Compose
18 services · database: mariadb · infra: mariadb, redis, memcached, nginx · 1 unclassified (ofelia)
no resource limits declared
needs persistent storage (97 volumes)
docker-compose.yml · @ ca07d8d · scanned Sep 23, 2026
services:
unbound-mailcow:
image: ghcr.io/mailcow/unbound:1.26.1-1
environment:
- TZ=${TZ}
- SKIP_UNBOUND_HEALTHCHECK=${SKIP_UNBOUND_HEALTHCHECK:-n}
volumes:
- ./data/hooks/unbound:/hooks:Z
- ./data/conf/unbound/unbound.conf:/etc/unbound/unbound.conf:ro,Z
restart: always
tty: true
networks:
mailcow-network:
ipv4_address: ${IPV4_NETWORK:-172.22.1}.254
aliases:
- unbound
mysql-mailcow:
image: mariadb:10.11
# ...
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Metadata extracted from README on Aug 16, 2026
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