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eclipso vs Firefox Relay

On privacy it's eclipso. On price it's Firefox Relay. On features it's eclipso. Here's everything side by side, last checked 25 October 2026.

Should you pick eclipso or Firefox Relay?

  • eclipso suits you best if you want your mailbox stored in Germany; 20 GB of storage; and to read your mail in any app, such as Apple Mail, Outlook or Thunderbird.
  • Choose Firefox Relay if you want a cheaper plan, at $0.99 a month and apps whose code is public.
FeatureeclipsoFirefox Relay
Overall3.52.5
Privacy2.51.0
Price4.55.0
Features4.0Not rated
Cheapest planConnect
€1.49 a month
Premium
$0.99 a month
Free planYes, 4 GBYes, 5 aliases
Storage20 GBForwards only
Your own domainOn paid plansOwn subdomain only
End-to-end encryptionNoNo
Company based in Germany United States (Mozilla)
Your data is kept in Germany United States
FoundedUnknown2020
Free trialFree plan (Freemail)Free plan
Funded by advertisingNoNo
Works in any mail app✓ IMAP and SMTPNo, its own apps only
Calendar and contacts✓ YesNo
AliasesYesUnlimited aliases
Open-source appsNo✓ Yes
Sign up without IDNoNo
White labelUnknownNo
Reader offerNoneNone
Last checked25 October 202625 October 2026

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The key differences

  • On price: eclipso Connect at €1.49 a month, against Firefox Relay Premium at $0.99 a month.
  • eclipso has a free plan (4 GB); Firefox Relay has a free plan (5 aliases).
  • Space: eclipso gives 20 GB of storage, Firefox Relay no storage, as it forwards mail on.
  • Your mail is stored in Germany with eclipso, and in the United States with Firefox Relay.
  • The companies sit under different laws: eclipso in Germany, Firefox Relay in United States (Mozilla).
  • Mail apps: eclipso works in any mail app over IMAP; Firefox Relay only works in its own apps.
  • Aliases: eclipso offers yes, Firefox Relay unlimited aliases.

Common questions

Is eclipso more private than Firefox Relay?

eclipso scores 2.5 out of 5 for privacy and Firefox Relay 1. eclipso gives you your mailbox stored in Germany.

Is eclipso cheaper than Firefox Relay?

Firefox Relay is cheaper. Its Premium plan is $0.99 a month, against €1.49 a month for eclipso's Connect. Firefox Relay and eclipso also have a free plan. Check the renewal price before you pay, as some first-year prices go up.

Can I use my own domain with eclipso or Firefox Relay?

No, neither lets you use your own domain, so your address stays on theirs.

Where is my email stored with eclipso and Firefox Relay?

eclipso keeps it in Germany. Firefox Relay keeps it in the United States.

Can I use eclipso and Firefox Relay in Apple Mail or Outlook?

eclipso works in any mail app over IMAP. Firefox Relay only works in its own apps.

Prices and the latest news

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

The latest headlines: eclipso news · Firefox Relay news.

Alternatives to eclipso and Firefox Relay

eclipso vs mailbox.org · Firefox Relay vs mailbox.org · eclipso vs Posteo · Firefox Relay vs Posteo · eclipso vs Proton Mail · Firefox Relay vs Proton Mail

Moving your email

Moving between any two providers works the same way. Pick your two providers for the steps.

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