Purelymail vs Firefox Relay
On privacy it's Firefox Relay. On price it's a tie. On features it's Purelymail. Here's everything side by side, last checked 25 October 2026.
Should you pick Purelymail or Firefox Relay?
- Purelymail is the better pick if you want to pay less: $10 a year, any number of users and domains; email at your own domain name; and to read your mail in any app, such as Apple Mail, Outlook or Thunderbird.
- Firefox Relay is the better pick if you want a free plan to start on and open-source apps.
| Feature | Purelymail | Firefox Relay |
|---|---|---|
| Overall | 2.5 | 2.5 |
| Privacy | 0.5 | 1.0 |
| Price | 5.0 | 5.0 |
| Features | 3.5 | Not rated |
| Cheapest plan | Simple $10 a year, any number of users and domains | Premium $0.99 a month |
| Free plan | No | Yes, 5 aliases |
| Storage | Not confirmed | Forwards only |
| Your own domain | ✓ Unlimited | Own subdomain only |
| End-to-end encryption | No | No |
| Company based in | United States | United States (Mozilla) |
| Your data is kept in | United States | United States |
| Founded | Unknown | 2020 |
| Free trial | Free trial with a small amount of credit (about a month of light use) | Free plan |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | No, its own apps only |
| Calendar and contacts | No | 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 |
Want to add another? Open this in the compare tool.
The key differences
- Purelymail's cheapest plan is Simple ($10 a year, any number of users and domains); Firefox Relay's is Premium ($0.99 a month).
- For free, Purelymail gives you no free plan, and Firefox Relay a free plan (5 aliases).
- Purelymail comes with storage not confirmed and Firefox Relay with no storage, as it forwards mail on.
- Purelymail is based in the United States and Firefox Relay in the United States (Mozilla), so different privacy laws apply.
- Purelymail lets you bring your own domain name; Firefox Relay doesn't.
- Purelymail works in any mail app over IMAP, and Firefox Relay only works in its own apps.
- For extra addresses, Purelymail has yes and Firefox Relay has unlimited aliases.
Common questions
Which is more private, Purelymail or Firefox Relay?
Firefox Relay scores 1 out of 5 for privacy and Purelymail 0.5. Firefox Relay gives you open-source apps.
Which is cheaper, Purelymail or Firefox Relay?
Purelymail is cheaper. Its Simple plan is $10 a year, any number of users and domains, against $0.99 a month for Firefox Relay's Premium. Firefox Relay also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Do Purelymail and Firefox Relay work with my own domain?
Only Purelymail does (Unlimited). With Firefox Relay your address stays on its own domain.
Where do Purelymail and Firefox Relay keep my email?
Both keep it in the United States.
Do Purelymail and Firefox Relay work in other mail apps?
Purelymail 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: Purelymail news · Firefox Relay news.
Alternatives to Purelymail and Firefox Relay
Purelymail vs mailbox.org · Firefox Relay vs mailbox.org · Purelymail vs Posteo · Firefox Relay vs Posteo · Purelymail vs Proton Mail · Firefox Relay vs Proton Mail
Switching between them
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.