Verify Proton alerts before you sign in.
Proton Mail is known for its high security, which makes it a prime target for 'Official' impersonation scams. Scammers send fake alerts claiming your encryption keys are expiring or your account needs urgent verification to bypass their strict security filters.
Security Insight
Proton Mail uses a 'Purple Official' badge for legitimate system emails. Scammers try to imitate this by using purple icons in the email body, but they cannot spoof the official badge in the sender field of the Proton web or mobile app.
How to spot a Proton Mail Phishing Scam
Legitimate Proton communications have very specific security markers. Watch out for these common tactics used to steal access to encrypted mailboxes.
The 'Official Badge' test
Fake 'Key Expiry' warnings
Non-Proton Sender Domains
Request for 'Recovery Phrase'
What IsThisSpam checks before you trust a sender
Quick verdicts are useful, but the real value is understanding why something looks safe, uncertain, or risky.
Unusual Link Destinations
Hover over any button. If the URL doesn't lead to 'proton.me' or 'protonmail.com' (e.g., 'proton-login-portal.net'), it is a fake site.
High-Pressure urgency
Messages like 'Your account will be deleted in 12 hours' or 'Final security warning' are designed to make you act without thinking.
Mismatched Interface Colors
Scammers often use old Proton branding or weird purple gradients that don't match the modern, clean design of the Proton ecosystem.
Generic 'Dear User' greetings
Proton usually addresses you by your account name or doesn't use a generic greeting at all in their official security notifications.
Related guides
Use the checker for the fast answer, then read the deeper guidance for recurring scam patterns.
Email Header Analyzer
Spoofed Email Checker
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