how to find that email message is going through proxy server

how to identify that message are going through proxy server.

Hey there @empathetic-ibex, thanks for posting. Please read the “Troubleshooting” and “How to Ask for Help” buttons below. If you would like a 1:1 support session from the KumoMTA team, details are at the “Book a Support Session” button below.

i am using socks5

The log will record that information.

You need to be on a recent kumomta-dev build to see that in the logs; support for that was pushed towards the end of last week

i had setup for latest production, in that how can i check

You’ll need to be on latest -dev until the next production release to see the logs.