Freedom251 › Mobile Browser Software
Firefox Relay

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Limited email protection | Free · 5 email masks · browser extension · email-tracker removal | Free |
| Email protection | Join the Waitlist · Unlimited email masks · browser extension · tracker removal · promotional-email blocking · custom Relay email domain · anonymous email replies | On request |
| Email & phone protection | Join the Waitlist · Unlimited email masks · phone masking · call and text forwarding · promotional-email blocking · anonymous replies | On request |
| Add VPN protection | Join the Waitlist · Email and phone protection features · Mozilla VPN access | On request |
As relay.firefox.com lists them, read 15 Oct 2026. The maker's own page has the final word.
Facts from Firefox Relay's own pages
- Abuse controls
- Relay requires a verified email account and rate-limits daily mask creation to deter malicious use. · relay.firefox.com, 15 Oct 2026
- Add-on complaint: mask limit mismatch
- Firefox Add-ons reviewers reported that the extension still displayed a five-mask limit after the service limit had increased to 50. · addons.mozilla.org, 15 Oct 2026
- API authentication
- The API documentation lists Mozilla-account token authentication and cookie authentication for protected operations. · mozilla.github.io, 15 Oct 2026
- API surface
- The public API documents authenticated endpoints for listing, creating, updating, and deleting email masks plus phone, SMS, and call operations. · mozilla.github.io, 15 Oct 2026
- Attachment limit
- Forwarded emails larger than 10 MB are not delivered. · relay.firefox.com, 15 Oct 2026
- Availability
- Free Relay is offered in most countries, while Premium is listed for selected European countries plus Canada, Malaysia, New Zealand, Singapore, the United Kingdom, and the United States. · relay.firefox.com, 15 Oct 2026
- Browser and mobile access
- Masks can be generated from other browsers or mobile devices by signing in to the Relay dashboard. · relay.firefox.com, 15 Oct 2026
- Browser and mobile use
- Users can generate masks on other browsers or mobile devices by signing in to the Relay dashboard. · relay.firefox.com, 3 Oct 2026
- Dashboard
- The dashboard lets users create and label masks and block calls, texts, or emails from masks receiving too much spam. · relay.firefox.com, 3 Oct 2026
- Data collection
- Relay records the websites where masks were used and lets users opt out of that labeling and synchronization. · relay.firefox.com, 15 Oct 2026
- Developer documentation
- Mozilla publishes generated API reference documentation with request schemas, response examples, authorization details, and endpoint paths. · mozilla.github.io, 15 Oct 2026
- Email mask forwarding
- Email masks are private addresses that forward messages to the user's true email address. · relay.firefox.com, 3 Oct 2026
- Email masks
- Masks can be generated for websites, applications, stores, or restaurants and managed from a dashboard. · relay.firefox.com, 15 Oct 2026
- Email replies
- Premium users can reply to a forwarded email within three months of receiving it; adding CC or BCC exposes the original email address. · relay.firefox.com, 3 Oct 2026
- Extension availability
- The Firefox Relay extension listing says it is available on Firefox for Android. · addons.mozilla.org, 3 Oct 2026
- Extension permissions
- The Firefox add-on requests access to data on all websites to provide its masking workflow. · addons.mozilla.org, 15 Oct 2026
- Extension version
- The Firefox add-on page lists version 2.8.1, a 1.21 MB package, and a last update of December 6, 2023. · addons.mozilla.org, 15 Oct 2026
- Forwarding limit
- Relay does not forward email attachments larger than 10 MB. · relay.firefox.com, 3 Oct 2026
- Founded
- 1998 · relay.firefox.com, 28 Sept 2026
- Important-use warning
- Mozilla advises using a real address for banks, doctors, lawyers, identity verification, and messages requiring important attachments. · relay.firefox.com, 15 Oct 2026
- Licence
- The fx-private-relay repository is licensed under the Mozilla Public License 2.0. · github.com, 15 Oct 2026
- Limit: anonymity concerns
- Chrome-Stats records reviewer concerns that replying can expose the underlying email address and that refund handling is unclear. · chrome-stats.com, 15 Oct 2026
- Limit: paid features
- Chrome-Stats says reviewers complain that full functionality requires a subscription and that free use is limited. · chrome-stats.com, 15 Oct 2026
- Limit: site breakage
- Chrome-Stats summarizes reports that Relay can break sign-in forms and checkout flows on some sites. · chrome-stats.com, 15 Oct 2026
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