shouldiuse.io

Comparison

Mailcow vs Mail-in-a-Box

Pick Mailcow when

  • Self-hosters and homelab users
  • Privacy- and sovereignty-focused small orgs
  • Admins comfortable with Docker
  • Teams escaping Google Workspace

When Mailcow is not a fit

  • Teams with no Linux/Docker admin capacity
  • Businesses where email downtime is unacceptable
  • Solo users who just need an inbox
  • Anyone unwilling to manage IP reputation and patching

Sources

  1. Do you run MailCow now? : r/selfhostedreddit.com
    review
  2. selfhosted mailservers: mailcow, mailinabox, mailureddit.com
    review
  3. Mailcow vs Postal vs Stalwartmailflowauthority.com
    review
  4. Mailcow TCO vs $49 Managed (2026)justemails.app
    news
  5. Mailcow: My Self-Hosted Email Server vs Google Workspacewebnestify.cloud
    review
  6. Remote Code Execution in Mailcow (SonarSource)sonarsource.com
    security
  7. CVE-2026-40874: Auth Bypasssentinelone.com
    security
  8. Google Safe Browsing flags mailcow pagesgithub.com
    security
  9. mailcow: dockerized on GitHubgithub.com
    official
  10. Self-Hosting Email Servers (Privacy Guides)privacyguides.org
    review
  11. sentinelone.comsentinelone.com
    review