Host: P233 BSD/OS 3.1 smtp-source and smtp-sink on the same host, 100 msgs in 10 sessions. send = time to send 100 msgs into postfix rest = time for Postfix to finish total = total elapsed time 19990627 send rest total 14 10 25 10 8 18 9 10 19 9 17 26 8 11 19 8 9 17 19990906 send rest total 10 15 25 9 10 19 8 9 17 9 8 17 8 9 17 9 8 17 8 9 17 8 8 16