mailcow
The facts below are what the maker publishes about mailcow, checked and dated. Our editors have not written about it yet.
Plans and prices
From mailcow's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| mailcow: dockerized | Free | Open-source groupware and email suite; self-hosted with Docker |
| shared mailcow | €8.90 a month | 1 domain · 20 mailboxes · up to 50 GB · unlimited aliases and domain aliases · shared resources · ab 8,90€ pro Monat |
| Ticket Support (Level 1) | €45.90 a month | 3 tickets per quarter · no phone or remote support · max. 1 day response time · 45,90€ pro Monat |
| managed mailcow | €54.90 a month | Unlimited domains and mailboxes, subject to system resources · up to 500 GB · dedicated server · up to 35 ActiveSync devices included · ab 54,90€ pro Monat |
| Telefon Support (Level 2) | €105.90 a month | 3 tickets per quarter · 30 minutes phone support per quarter · no remote support · max. 6 hours response time · 105,90€ pro Monat |
| Remote Support (Level 3) | €165.90 a month | 5 tickets per quarter · 30 minutes phone or remote support per quarter · max. 4 hours response time · 165,90€ pro Monat |
| Notfall Support (Level 4) | €430, paid once | 120 minutes phone support · 120 minutes remote support · max. 2 hours response time · 430,00€ je Buchung (einmalig) |
The facts
Each one read from mailcow's own pages, with the date it was checked.
What it does
- Administration
- The mailcow web interface lets administrators create domains and email addresses and manage most settings.checked 11 Oct 2026
- Audience
- Servercow describes shared mailcow as suited to private users or small businesses with low email volume.checked 11 Oct 2026
- Community integrations
- The docs list community-managed integrations including Nextcloud, Mailman 3, Portainer, Roundcube, CheckMK, and a Prometheus exporter.checked 11 Oct 2026
- Data storage
- Mail is compressed and encrypted, and the encryption key pair is stored in the crypt-vol-1 Docker volume, which the documentation says to back up.checked 11 Oct 2026
- Email transport security
- mailcow supports managing MTA-STS policies through its UI and documents DANE/TLSA support in its Postfix TLS policy component.checked 11 Oct 2026
- Integrations
- The documentation lists client setup guides for Android, Apple macOS/iOS, eM Client, KDE Kontact, Outlook, and Thunderbird.checked 11 Oct 2026
- Mail authentication
- The UI supports generating DKIM and ARC, managing per-domain and per-user blacklists and whitelists, and setting spam scores.checked 11 Oct 2026
- Mail services
- Its components include Postfix for mail transfer, Dovecot for IMAP/POP, and SOGo for webmail, calendars, and contacts.checked 11 Oct 2026
- Product
- mailcow: dockerized is an open-source groupware and email suite based on Docker.checked 11 Oct 2026
- Requirements
- The documented minimum is 1 GHz CPU, 6 GiB RAM plus 1 GiB swap, and 20 GiB disk excluding email storage; x86_64 and ARM64 are listed architectures.checked 11 Oct 2026
- Security
- Two-factor authentication options include YubiKey OTP, WebAuthn, and TOTP.checked 11 Oct 2026
- Spam and malware
- The suite includes Rspamd spam filtering and supports optional ClamAV antivirus scanning, including Office document macro scanning.checked 11 Oct 2026
- Support
- Commercial support is available through Servercow, while community support is voluntary, best-effort, and not guaranteed.checked 11 Oct 2026
The company
- Headquarters
- Willich, Germanychecked 28 Sep 2026
Where it runs
- Platform limits
- The documentation says not to install on NAS devices such as Synology or QNAP, OpenVZ, LXC, or other container platforms.checked 11 Oct 2026
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