Question 1

Is the Protonmail number for one-time use?

Accepted Answer

Yes, the numbers you buy for Protonmail are single-use and expire once the SMS is received.

Question 2

What happens if I don't receive an SMS for Protonmail?

Accepted Answer

If no SMS arrives within the specified time, your balance is automatically refunded to your account.

Question 3

Is my Protonmail account secure with this number?

Accepted Answer

The numbers are only used for registration; your account's security depends on the password you set.

Protonmail SMS Verification

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