Stephan Seitz: > Hello! > > I try to understand different mail delivery times. > > I have a script (phpmailer) that sends 500 mails to a remote mail server. > The target address is a local /dev/null mailbox. The script uses > SMTPKeepAlive = true; to keep the connection open. > > If my client IP is part of mynetworks the time for 500 mails is about 29 > seconds.
That's 5.8ms per delivery. > If [not in mynetworks] the time is about 47 seconds. That's 9.4ms per delivery. Looks like your network round-trip time has increased with abount 1ms, compared to the 'faster' case. Wietse