Blocking and abuse
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- Blocking and abuse
What to do if an online company blocks registration with Proton Mail addresses
If an online service prevents you from registering with a Proton Mail address, here’s what you can do.
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Proton Mail temporarily locked my account for security reasons
If we think your account has been compromised, Proton Mail may temporarily lock it as a precaution. Follow these steps to unlock it.
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Proton Account disabled for abuse or fraud
If you believe your Proton Account has been disabled by mistake, you can contact our Anti-abuse Team to get it enabled again.
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- Blocking and abuse
Proton Mail sending limits
Learn about Proton Mail’s sending limits, how you can increase that limit, and what may cause a sending ban on your account.
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Temporarily cannot log in to Proton products
To protect against malicious actors, we occasionally deny access to accounts that have shown suspicious activity. We explain what to do if this happens to you.