Sounds good in theory, but login-links are a security issue, because they: show up in browser history can be pasted accidentally somewhere are send usual

Sounds good in theory, but login-links are a security issue, because they: show up in browser history can be pasted accidentally somewhere are send usually unencrypted via email You'll need one-time login links, which is partly okay, partly inconvenient. Don't get me wrong, I play with the idea of login-links as well, but they have some drawbacks that one should at least be aware of.