[Compare · Email-First Hosting]

Fastmail vs Mailbox.org

FastmailIndie

8.7/ 10

Higher score

Mailbox.orgIndie

8.8/ 10

Across 4 measured dimensions: Fastmail wins 0, Mailbox.org wins 2 (2 tie / n/a)

[01]

Side by side.

8 dimensions

Metric	Fastmail	Mailbox.org
Score Winner: right	8.7	8.8
Δ 90 days	— flat	— flat
Parent & badge	IndependentIndie	IndependentIndie
Founded	1999	1989
Best for	Anyone leaving Gmail for a custom domain	European privacy-leaning users who want LibreOffice-grade docs included
Price per mo Winner: right	$5.00/ mo	$3.20/ mo
Renewal multiplier	—	—
Tagline	Privacy-focused email, no Google, no ads	German privacy mail with a real Office suite bundled

[02]

What works, what doesn't.

Per provider

Fastmail4 pros · 3 cons

+ Pros

✓Independent, privacy-respecting, no ads
✓Excellent custom domain support
✓JMAP protocol is genuinely faster
✓Strong calendar/contacts integration

– Cons

✗No end-to-end encryption (vs Proton/Tutanota)
✗Australian jurisdiction concerns for some users
✗Web UI looks dated

Mailbox.org4 pros · 4 cons

+ Pros

✓Office suite (OX) bundled on Standard
✓PGP-in-browser via Mailbox Guard
✓100% renewable energy, German jurisdiction
✓Custom domain support without surcharge

– Cons

✗Dated OX App Suite UI
✗No native mobile apps
✗Light plan can't use custom domains
✗Calendar interop quirks with Google/Outlook

Make the call

Pick one and go.

Both links are affiliate. Score doesn't move because of it.

VisitFastmail ↗Score 8.7 VisitMailbox.org ↗Score 8.8

← Read full Fastmail review·Read full Mailbox.org review →

[03]

More email matchups.

Same category

Fastmail vs Migadu

Mailbox.org vs Migadu

Fastmail vs Proton Mail

Mailbox.org vs Proton Mail

Fastmail vs Tuta

Mailbox.org vs Tuta