Autor: Neil Schemenauer Datum: To: exim-users Betreff: Re: [Exim] Verisign pulls a fast one
It's not a real SMTP server:
$ socket akdjflasdf.com 25
220 snubby1-wcwest Snubby Mail Rejector Daemon v1.3 ready
asdfsa
250 OK
asfdsda
250 OK
asdfs
550 User domain does not exist.
asdfsd
250 OK
asfdds
221 snubby1-wcwest Snubby Mail Rejector Daemon v1.3 closing transmission channel