33mail vs Firefox Relay
Firefox Relay has the higher grade on both axes: Safety 5.8 against 4.6, and Privacy 6.0 against 5.8.
33mail
Alias forwarding on your own 33mail subdomain, free with paid tiers
Privacy
5.8/ 10
Fair
Safety
4.6/ 10
Caution
No ID mentioned KYC 1 Docs reviewed Full review →
Firefox Relay
Mozilla's email-masking service; requires an account with a verified email
Privacy
6.0/ 10
Fair
Safety
5.8/ 10
Fair
No ID mentioned KYC 1 Docs reviewed Full review →
Side by side
| 33mail | Firefox Relay | |
|---|---|---|
| Category | Email Aliases | Email Aliases |
| KYC policy | No ID mentioned | No ID mentioned |
| Custody | N/A | N/A |
| Sign-up | Email required | Email required |
| Open source | No | Yes |
| Tor onion address | No | No |
| Fees | Free Lite tier; Premium $1/month, Pro $5/month | Free tier; paid Relay Premium tier |
| Incidents on record | 0 | 0 |
| Published tests (180 days) | 0 | 0 |
Only 33mail
Anonymous operator
Both
Requires email
Only Firefox Relay
Open source
Where they sit among email aliases
Questions
Is 33mail or Firefox Relay safer?
Firefox Relay has the higher Safety grade: 33mail 4.6, Firefox Relay 5.8, out of 10.
Does 33mail or Firefox Relay require KYC?
33mail is KYC level 1 (no ID mentioned). Firefox Relay is KYC level 1 (no ID mentioned).
Which has more incidents on record?
33mail has 0 and Firefox Relay has 0 documented incidents in the registry.