Hello,
Our anti-abuse systems have detected that this account is part of multiple sign-ups. Bulk free account creation can be considered to be abusive.
We would like to remind you that we reserve the right to take action against any free account considered to be in violation of this policy. For more information, please consult our Terms & Conditions (
https://protonmail.com/terms-and-conditions).
If you need multiple ProtonMail addresses, please upgrade to a premium account which allows the creation of additional addresses under the same account (
https://protonmail.com/support/knowledge-base/paid-plans).
If you need multiple accounts for a business or an organization that requires multi-user support, please upgrade to the ProtonMail Professional plan (
https://protonmail.com/support/knowledge-base/business).
You can upgrade your account by going to the Settings menu of your account.
Best Regards,
The Proton Team