CounterMail vs Firefox Relay
On privacy it's CounterMail. On price it's Firefox Relay. On features it's CounterMail. Here's everything side by side, last checked 25 October 2026.
CounterMail or Firefox Relay: which should you choose?
- CounterMail suits you best if you want encryption that means even the provider can't read your mail; your mailbox stored in Sweden; and to use your own domain, like you@yourname.co.uk.
- Choose Firefox Relay if you want to pay less: $0.99 a month; a free plan to start on; and open-source apps.
| Feature | CounterMail | Firefox Relay |
|---|---|---|
| Overall | 4.0 | 2.5 |
| Privacy | 4.0 | 1.0 |
| Price | 4.0 | 5.0 |
| Features | 4.0 | Not rated |
| Cheapest plan | Premium, 12 months $4 a month, paid yearly ($49) | Premium $0.99 a month |
| Free plan | No | Yes, 5 aliases |
| Storage | 4 GB | Forwards only |
| Your own domain | ✓ Yes | Own subdomain only |
| End-to-end encryption | ✓ Built in | No |
| Company based in | Sweden | United States (Mozilla) |
| Your data is kept in | Sweden | United States |
| Founded | Unknown | 2020 |
| Free trial | Unknown | Free plan |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | No, its own apps only |
| Calendar and contacts | ✓ Yes | No |
| Aliases | Yes | Unlimited aliases |
| Open-source apps | No | ✓ Yes |
| Sign up without ID | No | No |
| White label | Unknown | No |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
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The key differences
- Cheapest plans: CounterMail Premium, 12 months, $4 a month, paid yearly ($49). Firefox Relay Premium, $0.99 a month.
- CounterMail has no free plan; Firefox Relay has a free plan (5 aliases).
- Space: CounterMail gives 4 GB of storage, Firefox Relay no storage, as it forwards mail on.
- Your mail is stored in Sweden with CounterMail, and in the United States with Firefox Relay.
- The companies sit under different laws: CounterMail in Sweden, Firefox Relay in United States (Mozilla).
- On encryption, CounterMail encrypts mail end to end, whereas Firefox Relay doesn't encrypt mail end to end.
- You can use your own domain with CounterMail, but not with Firefox Relay.
- Mail apps: CounterMail works in any mail app over IMAP; Firefox Relay only works in its own apps.
- Aliases: CounterMail offers yes, Firefox Relay unlimited aliases.
CounterMail and Firefox Relay: your questions
Is CounterMail more private than Firefox Relay?
CounterMail scores 4 out of 5 for privacy and Firefox Relay 1. CounterMail gives you encryption that means even the provider can't read your mail and your mailbox stored in Sweden.
Is CounterMail cheaper than Firefox Relay?
Firefox Relay is cheaper. Its Premium plan is $0.99 a month, against $4 a month, paid yearly ($49) for CounterMail's Premium, 12 months. Firefox Relay 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 CounterMail or Firefox Relay?
Only CounterMail does (Yes). With Firefox Relay your address stays on its own domain.
Where is my email stored with CounterMail and Firefox Relay?
CounterMail keeps it in Sweden. Firefox Relay keeps it in the United States.
Can I use CounterMail and Firefox Relay in Apple Mail or Outlook?
CounterMail works in any mail app over IMAP. Firefox Relay only works in its own apps.
Price changes and news
Neither price has changed since my first check on 25 October 2026.
The latest headlines: CounterMail news · Firefox Relay news.
Not sold on either? Try these
CounterMail vs mailbox.org · Firefox Relay vs mailbox.org · CounterMail vs Posteo · Firefox Relay vs Posteo · CounterMail vs Proton Mail · Firefox Relay vs Proton Mail
Switching between them
Moving between any two providers works the same way. Pick your two providers for the steps.