I see two problems with the proposal 1. Part of the reason for doing e-mail verification the old way is to ensure the user can really receive messages at the

I see two problems with the proposal 1. Part of the reason for doing e-mail verification the old way is to ensure the user can really receive messages at the particular address, for purposes such as password reset or e-mail notifications in the future. The proposed novel verification flow only verifies that the user can *send* e-mails, not receive. 2. My phone is configured with multiple mail accounts. I don’t remember whether you can reliably hint at the mail client to use a particular mail account via a mailto link.