我从服务器发送了一封电子邮件到我的gmail帐户,以下是其中一个标题(部分编辑):
Received: from cpvds3xx.xxx.com (dev1.xxx.com. [209.51.132.xxx])
by mx.google.com with ESMTPS id b71si12090017yhf.148.2014.03.06.12.09.35
for <xxx@gmail.com>
(version=TLSv1 cipher=RC4-SHA bits=128/128);
Thu, 06 Mar 2014