>In: MAIL FROM:<[EMAIL PROTECTED]> SIZE=3158 > Out: 250 Ok > In: RCPT TO:<[EMAIL PROTECTED]> > Out: 450 <[EMAIL PROTECTED]>: Sender address rejected: > unverified address: host mail.cloud9.net[168.100.1.9] said: 450 > <[EMAIL PROTECTED]>: Sender address rejected: Domain not > found (in reply to RCPT TO command) > In: DATA
... when postfix sends 450, the other server should NOT go to DATA command, but should disconnect > Out: 554 Error: no valid recipients ... > Out: 421 Error: too many errors ... this is the 3rd error by the the other server, so with stmpd_hard_error_limit=2, postfix disconnects Len
