Dnia 26.11.2019 o godz. 20:50:51 Wesley Peng pisze: > > How the traffic between big one's MTAs get through? > For example, gmail send messages to web.de via port 465 by SSL, or > just plain port 25?
Sending mail out of a MTA is always on port 25. STARTTLS is used if possible. Ports 468/587 are only for local mail sumission, ie. from client to MTA. -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub."
