# SMTP connection & EHLO/HELO error responses (+log_sender_on_delivery) need_ipv4 # server PORT_S 450 I'm busy QUIT 250 OK **** exim -odi userx@domain1 Test message 1 **** server PORT_S 220 Connected OK EHLO 450 I'm busy HELO 450 I'm busy QUIT 250 OK **** exim -qf **** server PORT_S 550 Go away QUIT 250 OK **** exim -qf **** server PORT_S 220 Connected OK EHLO 550 Go away HELO 550 Go away QUIT 250 OK **** exim -odi userx@domain1 usery@domain2 Test message 2 ****