# handling malformed SMTP return codes need_ipv4 # server PORT_S 220 Server ready EHLO 250 OK MAIL FROM 250 OK RCPT TO 250 OK DATA 354 SEND IT . 850 NONSENSE QUIT 250 OK **** exim -odi abcd@xyz Test data. **** dump retry server PORT_S 220 Server ready EHLO 250 OK MAIL FROM 850 RUBBISH QUIT 250 OK **** exim -qf **** dump retry server PORT_S 220 Server ready EHLO 250 OK MAIL FROM 250 OK RCPT TO 850 RUBBISH QUIT 250 OK **** exim -qf **** dump retry no_msglog_check