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Fastmail for Business vs eclipso

On privacy it's eclipso. On price it's eclipso. On features it's Fastmail for Business. Here's everything side by side, last checked 25 October 2026.

Fastmail for Business or eclipso: which should you choose?

  • Go for Fastmail for Business if you'd like an address on your own domain and more space for your mail: 50 GB.
  • eclipso is the better pick if you want a cheaper plan, at €1.49 a month and a free plan to start on.
FeatureFastmail for Businesseclipso
Overall3.03.5
Privacy2.02.5
Price3.54.5
Features5.04.0
Cheapest planStandard
$5 per user a month ($4.17 yearly)
Connect
€1.49 a month
Free planNoYes, 4 GB
Storage50 GB20 GB
Your own domain✓ Up to 100On paid plans
End-to-end encryptionNoNo
Company based in Australia Germany
Your data is kept in EU (Amsterdam) for UK customers, with a US replica and US backups Germany
Founded1999Unknown
Free trial30 days freeFree plan (Freemail)
Funded by advertisingNoNo
Works in any mail app✓ IMAP and SMTP✓ IMAP and SMTP
Calendar and contacts✓ Yes✓ Yes
AliasesYesYes
Open-source appsNoNo
Sign up without IDNoNo
White labelNoUnknown
Reader offerOffer 10% off your first year, plus a free trial of up to 30 daysNone
Last checked22 October 202625 October 2026

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Where they differ

  • Cheapest plans: Fastmail for Business Standard, $5 per user a month ($4.17 yearly). eclipso Connect, €1.49 a month.
  • Fastmail for Business has no free plan; eclipso has a free plan (4 GB).
  • Space: Fastmail for Business gives 50 GB of storage, eclipso 20 GB of storage.
  • Fastmail for Business keeps your mail in the EU (Amsterdam) for UK customers, with a US replica and US backups, while eclipso keeps it in Germany.
  • The companies sit under different laws: Fastmail for Business in Australia, eclipso in Germany.
  • You can use your own domain with Fastmail for Business, but not with eclipso.

Fastmail for Business and eclipso: your questions

Is Fastmail for Business more private than eclipso?

eclipso scores 2.5 out of 5 for privacy and Fastmail for Business 2.

Is Fastmail for Business cheaper than eclipso?

eclipso is cheaper. Its Connect plan is €1.49 a month, against $5 per user a month ($4.17 yearly) for Fastmail for Business's Standard. eclipso also has a free plan. Check the renewal price before you pay, as some first-year prices go up.

Can I use my own domain with Fastmail for Business or eclipso?

Only Fastmail for Business does (Up to 100). With eclipso your address stays on its own domain.

Where is my email stored with Fastmail for Business and eclipso?

Fastmail for Business keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. eclipso keeps it in Germany.

Recent price changes

  • 22 October 2026 eclipso: Free; paid plans not confirmed, when I checked

The latest headlines: Fastmail for Business news · eclipso news.

Also worth a look

Fastmail for Business vs mailbox.org · eclipso vs mailbox.org · Fastmail for Business vs Posteo · eclipso vs Posteo · Fastmail for Business vs Proton Mail · eclipso vs Proton Mail

Moving your email

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