220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
250 OK
550-Postmaster verification failed while checking <Ok@localhost>
550-Called:   127.0.0.1
550-Sent:     RCPT TO:<postmaster@localhost>
550-Response: 550 NO
550-Several RFCs state that you are required to have a postmaster
550-mailbox for each mail domain. This host does not accept mail
550-from domains whose servers reject the postmaster address.
550 Sender verify failed
250 Accepted
221 myhost.test.ex closing connection
220 myhost.test.ex ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000
250 OK
550-Verification failed for <NOTok@elsewhere>
550-Called:   127.0.0.1
550-Sent:     RCPT TO:<NOTok@elsewhere>
550-Response: 550 NO
550 Sender verify failed
221 myhost.test.ex closing connection

******** SERVER ********
Listening on port 1224 ... 
Connection request from [127.0.0.1]
220 Server ready
HELO myhost.test.ex
250 OK
MAIL FROM:<>
250 OK
RCPT TO:<Ok@localhost>
250 OK
RSET
250 OK
MAIL FROM:<>
250 OK
RCPT TO:<postmaster@localhost>
550 NO
QUIT
250 OK
End of script
Listening on port 1224 ... 
Connection request from [127.0.0.1]
220 Server ready
HELO myhost.test.ex
250 OK
MAIL FROM:<>
250 OK
RCPT TO:<NOTok@elsewhere>
550 NO
QUIT
250 OK
End of script