今天，我收到了 sendmail 从别名文件中向其中一位收件人生成的这封奇怪的邮件。
这是我们第一次得到这个
From [email protected] Mon Feb 2 11:35:15 2015
Received: from n1.secret.net (localhost [127.0.0.1])
by n1.secret.net (8.14.4/8.14.4/Debian-4) with ESMTP id t12AZFMi014597
for <[email protected]>; Mon, 2 Feb 2015 11:35:15 +0100
Received: (from root@localhost)
by n1.secret.net (8.14.4/8.14.4/Submit) id t12AZFTU014593
for sms_secret@localhost; Mon, 2 Feb 2015 11:35:15 +0100
From: root <[email protected]>
Message-Id: <[email protected]>
Date: Mon, 02 Feb 2015 11:35:15 +0100
To: [email protected]
User-Agent: Heirloom mailx 12.5 6/20/10
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from quoted-printable to 8bit by n1.secret.net id t12AZFMi014597
这是正常的吗？是什么原因造成的？
谢谢你马里奥