protonmail.com
An established mailbox provider. Real customers use it as a primary inbox, so accept it and score the rest of the signal.
Verdict
Not disposablelow risk
What we know about protonmail.com.
Disposable
Clean
Phishing
Clean
On blocklist
Clean
Pattern match
Clean
protonmail.com is an established mailbox provider, not a disposable one. Accept it normally and lean on the rest of the signal (IP reputation, device fingerprint, behavior) to catch fraud.
protonmail.com, answered.
Is protonmail.com a disposable or temporary email address?+
No. protonmail.com is an established mailbox provider, not a disposable one. Real people use it as their primary inbox, so you can accept it normally.
Should I block protonmail.com at signup?+
No. protonmail.com is not disposable, so a blanket block would turn away real users. Score the account on the rest of the signal (IP, device, behavior) instead.
How do I check email domains like protonmail.com in bulk?+
Use the free ffraud email API: POST one address to /v1/email/check, or send up to 100 at once to /v1/email/batch. Each result tells you whether the domain is disposable, its risk level, and any community blacklist reports. The free tier needs no card.
One domain at a time. Instant.
Not a disposable domain.
protonmail.com is an established mailbox provider. Safe to accept.