The short answer
A PROTON* MAIL charge is an encrypted email, VPN, calendar, and cloud drive subscription from Proton AG based in Switzerland.
Why it shows up like this
Proton AG provides zero-access encrypted services including Proton Mail, Proton VPN, Proton Drive, and Proton Pass. Statements read PROTON* MAIL, PROTON AG, or PROTON.ME.
Plans include Mail Plus ($3.99-$4.99/mo) and Proton Unlimited ($9.99-$12.99/mo billed monthly, annually, or biennial in USD or EUR).
Don’t recognize it? You might still
- An annual or 2-year Proton Unlimited plan auto-renewed on its contract date.
- A custom email domain was configured for personal or business use.
- A household member upgraded their encrypted mailbox for 500GB storage.
What to do, in order
- Sign in to Proton Account Open account.proton.me and log in with your username and password.
- Check Dashboard Billing Click the gear icon > All Settings > Dashboard to view active subscriptions and invoices.
- Downgrade to Free Select Explore other Proton plans and choose the Free plan to stop recurring credit card transactions.
Quick questions
What is Proton AG's refund policy?
Proton offers a 30-day prorated refund window for annual and biennial subscriptions upon contacting [email protected].
Do I lose my @proton.me email address if I cancel my subscription?
No. Your email address remains active on the free plan, though custom domains and extra email aliases will be disabled.
Dispute Rights & Fraud Prevention
If you suspect this charge is unauthorized or incorrect, federal regulations protect your payment card.
Review your recent statements carefully and notify your financial institution within 60 days of the statement date.
What should I do if I do not recognize this charge?
First check with household or team members who have permission to use your account. If the transaction was not authorized by anyone on your card, contact your bank or card issuer immediately to report it. Under the Fair Credit Billing Act (FCBA), you have 60 days from the statement date to dispute unauthorized credit card charges.
How long does a billing dispute take to resolve?
Under federal rules, your bank must acknowledge your written inquiry within 30 days and resolve the dispute within two billing cycles (up to 90 days). The bank typically issues a provisional credit while they investigate.
Independent reference — not affiliated with Proton AG. Billing names and policies change; verify with the merchant or your bank before acting.
Verified sources
Every claim on this page is checked against official sources — open them to confirm before you call your bank.
- Proton Billing and Invoices FAQ https://proton.me
- CFPB: Disputing Credit Card Charges https://www.consumerfinance.gov
Reviewed Aug 15, 2026 · high · About UnknownCharges