I have mentioned the email header below. Can someone please confirm that email received by email security gateway " esg1.abc.com" from sl.ab-bev.com [126.96.36.199, is through connecting a connection on SMTP over TLS/
Moreover what is mean by verify=NO in the below header.
Moreover what is mean
from sl.ab-bev.com (sl.ab-bev.com [188.8.131.52]) by esg1.abc.com with ESMTP id iYM5xoyaE6GTt8HE (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO)