nostr:npub1kk9mewdd6ftvfasln364x8nk7r5mzx7939a035csg2pxky99l69st68ufh Currently, there is no way to do that, without switching to a different subscription (Family, Mail Essentials and Business plans have multi-user support, and each user can have 10 or 15 email addresses. See: https://proton.me/support/proton-for-business and https://proton.me/support/proton-plans.

However, you can also connect your Proton account to a SimpleLogin one, to create unlimited unique aliases: https://proton.me/support/create-simplelogin-account-proton-account. As an Unlimited user, you have SimpleLogin Premium.