Freedom251 › Mail Server Software
mailcow
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| mailcow: dockerized | Open-source groupware and email suite; self-hosted with Docker | Free |
| Telefon Support (Level 2) | 105,90€ pro Monat · 3 tickets per quarter · 30 minutes phone support per quarter · no remote support · max. 6 hours response time | €105.90 a month |
| Remote Support (Level 3) | 165,90€ pro Monat · 5 tickets per quarter · 30 minutes phone or remote support per quarter · max. 4 hours response time | €165.90 a month |
| Notfall Support (Level 4) | 430,00€ je Buchung (einmalig) · 120 minutes phone support · 120 minutes remote support · max. 2 hours response time | €430, paid once |
| Ticket Support (Level 1) | 45,90€ pro Monat · 3 tickets per quarter · no phone or remote support · max. 1 day response time | €45.90 a month |
| managed mailcow | ab 54,90€ pro Monat · Unlimited domains and mailboxes, subject to system resources · up to 500 GB · dedicated server · up to 35 ActiveSync devices included | €54.90 a month |
| shared mailcow | ab 8,90€ pro Monat · 1 domain · 20 mailboxes · up to 50 GB · unlimited aliases and domain aliases · shared resources | €8.90 a month |
As mailcow.email lists them, read 11 Oct 2026. The maker's own page has the final word.
Facts from mailcow's own pages
- Administration
- The mailcow web interface lets administrators create domains and email addresses and manage most settings. · docs.mailcow.email, 11 Oct 2026
- Audience
- Servercow describes shared mailcow as suited to private users or small businesses with low email volume. · servercow.de, 11 Oct 2026
- Community integrations
- The docs list community-managed integrations including Nextcloud, Mailman 3, Portainer, Roundcube, CheckMK, and a Prometheus exporter. · docs.mailcow.email, 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. · docs.mailcow.email, 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. · docs.mailcow.email, 11 Oct 2026
- Headquarters
- Willich, Germany · mailcow.email, 28 Sept 2026
- Integrations
- The documentation lists client setup guides for Android, Apple macOS/iOS, eM Client, KDE Kontact, Outlook, and Thunderbird. · docs.mailcow.email, 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. · docs.mailcow.email, 11 Oct 2026
- Mail services
- Its components include Postfix for mail transfer, Dovecot for IMAP/POP, and SOGo for webmail, calendars, and contacts. · docs.mailcow.email, 11 Oct 2026
- Platform limits
- The documentation says not to install on NAS devices such as Synology or QNAP, OpenVZ, LXC, or other container platforms. · docs.mailcow.email, 11 Oct 2026
- Product
- mailcow: dockerized is an open-source groupware and email suite based on Docker. · docs.mailcow.email, 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. · docs.mailcow.email, 11 Oct 2026
- Security
- Two-factor authentication options include YubiKey OTP, WebAuthn, and TOTP. · docs.mailcow.email, 11 Oct 2026
- Spam and malware
- The suite includes Rspamd spam filtering and supports optional ClamAV antivirus scanning, including Office document macro scanning. · docs.mailcow.email, 11 Oct 2026
- Support
- Commercial support is available through Servercow, while community support is voluntary, best-effort, and not guaranteed. · docs.mailcow.email, 11 Oct 2026
Where mailcow stands on Freedom251
- Mail Server Software#11 of 34