routed by r1 router
envelope to: recip@domain2
transport: t1
LOG: MAIN REJECT
U=CALLER F=<sender@domain1> rejected RCPT <other@domain2>
LOG: smtp_connection MAIN
routed by r1 router
envelope to: recip@domain2
transport: t1
LOG: MAIN REJECT
U=CALLER F=<sender@domain1> rejected RCPT <other@domain2>
LOG: smtp_connection MAIN