01 / UNDERSTAND
What is Firefox Relay?
An email-masking service designed to keep the underlying address private.
Treat masked email as its own category in a signup policy. Automatically equating privacy tools with disposable public inboxes can exclude legitimate users.
02 / DECIDE
How should you handle Firefox Relay signups?
Explain any restrictions clearly. If delivery and verification work, assess usage before adding more friction.
Explore your signup policy ↗03 / KEEP IN MIND
What you cannot infer
The mask does not identify the person or establish that the account is abusive.