search for: autocinfiguration

Autocinfiguration is fine, my problem is that once everything is (auto)configurated (correctly, checked this) that the server doesn't accept my login request. STARTTLS is correct, ports are correct etc. My mail is correct, my password is correct (tried with copy paste) and also with name as username and name...

Hello, currently I'm working on my first mailserver but I can't log in to the account I made. For now my client (Mozlla Thunderbird) detects the server config (STARTTLS, Port, ...) but it is "Unable to log in at server. Probbly wrong configuration, username or passsword". I know that I added username and password correctly so there must something else be wrong. I run