Stephan Seitz: > On Di, Sep 01, 2020 at 09:27:03 -0400, Wietse Venema wrote: > >Stephan Seitz: > >> 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.
In case you missed the point, I am talking about network round-trip delays. Speed-ofo-light stuff. > Well, it?s reproducible. The first one is always between 28 and 30 > seconds, the other one always between 46 and 48 seconds. Amazingly, the speed of light is very reproducible. > Yes, it sounds stupid, but $CUSTOMER wishes to deliver thousands of > mails, and for them it is a huge difference. Tell the customer to increase the speed of light, or get closer. Wietse