mailbox.org

Secure email service with calendar, contacts, and office tools.

MIXEDOperations

Pricing

Paid

Learning curve

Easy

Time to value

Immediate

BEST FORSoloSmall Team

WORKS FOR

Secure business email, Basic office productivity suite

KEY INSIGHT

It provides secure, basic office tools but may disappoint if you need a feature-rich replacement for major suites.

DOESN'T WORK FOR

Replacing Gmail's full feature set, Long-term reliance as a standalone email client

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What people reported, in their own words. Every line links to where it was said.

“I also moved from gmail to mailbox.org and am a happy camper since.”
POSITIVE · Hacker News · 2026-06-03
“Mailbox.org is completely ignoring DMARC since months... And their handling of the issue IMHO is incompetent at best.”
NEGATIVE · reliability · Hacker News · 2026-03-24
“Not a fan of Mailbox.org. It's Nextcloud for starters. The UX is clunky. They feel a 30 day web app session expiry is perfectly fine.”
NEGATIVE · ease of use · Hacker News · 2026-03-23
“I will be leaving Mailbox.org for Runbox, or Purelymail, or Fastmail”
NEGATIVE · support · Hacker News · 2025-08-22
“went with mailbox.org that still offers integrated PGP encryption, and if you want, you can always use external PGP too”
LUKEWARM · features · Hacker News · 2025-08-22
“I would strongly recommend mailbox.org. I have been a happy user since over 3 years now.”
POSITIVE · features · Hacker News · 2025-04-01