这是从我的邮件服务器发送到 gmail 的测试电子邮件的标题。我将主机名从 ads.jeuxgratuits.net 更改为 mail.jeuxgratuits.net，以便我的电子邮件标题显示一致的信息......但即使在更改之后我仍然得到了对 ads.jeuxgratuits.net 的引用：
Received: from mail.jeuxgratuits.net (ads.jeuxgratuits.net [208.111.94.17])
by mx.google.com with ESMTP id 12si2715274iwn.15.2009.10.15.13.40.35;
我使用 webmin 更改服务器主机名。然后我重新启动了网络和 postfix 服务。
完整标题：
Delivered-To: plehoux@gmail.com
Received: by 10.86.27.7 with SMTP id a7cs114739fga;
Thu, 15 Oct 2009 13:40:37 -0700 (PDT)
Received: by 10.101.180.33 with SMTP id h33mr782170anp.155.1255639236254;
Thu, 15 Oct 2009 13:40:36 -0700 (PDT)
Return-Path: <activation@jeuxgratuits.net>
Received: from mail.jeuxgratuits.net (ads.jeuxgratuits.net [208.111.94.17])
by mx.google.com with ESMTP id 12si2715274iwn.15.2009.10.15.13.40.35;
Thu, 15 Oct 2009 13:40:36 -0700 (PDT)
Received-SPF: pass (google.com: domain of …