http://digitalsr.i2p/death-of-anonymizers.html
This is what it looks like in
practice... 2023-09-12T09:59:40.265983-04:00 xxxx sm-mta[5653]: tls_clt_features=(null), relay=mail.vms2linux.de [138.201.40.98]
2023-09-12T09:59:40.265990-04:00 xxxx sm-mta[5653]: tls_clt_features=empty, stat=0, relay=mail.vms2linux.de [138.201.40.98]
2023-09-12T09:59:40.594902-04:00 xxxx sm-mta[5653]: STARTTLS=client, relay=mail.vms2linux.de., version=TLSv1.3, verify=FAIL, cipher=TLS_AES_256_GCM_SHA384, bits=256/256
2023-09-12T09:59:41.135661-04:00 xxxx...