shouldiuse.io

Comparison

Stalw vs Postal

Pick Stalw when

  • Self-hosters
  • Privacy-focused small orgs
  • Teams replacing hosted Gmail with owned infra
  • Open-source-first shops

When Stalw is not a fit

  • Non-technical teams without a sysadmin
  • Anyone wanting hosted Gmail simplicity
  • Businesses that can't manage IP reputation and deliverability
  • One-person shops that just need working email

Sources

  1. Stalwart Mail & Collaboration Serverstalw.art
    official
  2. Pricing | Stalwart Labsstalw.art
    official
  3. Compare editions | Stalwart Labsstalw.art
    official
  4. Product security pagestalw.art
    official
  5. stalwartlabs/stalwart on GitHubgithub.com
    official
  6. Deploy & Host Stalwart Mail Server . Railwayrailway.com
    official
  7. Out-of-Memory Denial of Service advisory (GHSA-jm95-876q-c9gw)github.com
    security
  8. CVE-2026-26312 . stalw / stalwartopencve.alliance.unm.edu
    security
  9. Vulnerability report for Stalwart Binarysupport.stalw.art
    security
  10. Just a shout-out to self-hosting email server StalWartreddit.com
    review
  11. Calendars, Contacts and Files in Stalwartnews.ycombinator.com
    review
  12. Mailcow vs Postal vs Stalwart: Which Self-Hosted Emailmailflowauthority.com
    review
  13. r/stalwartlabsreddit.com
    review