[急]Sendmail 问题

各位大佬:


我公司个user没有发出下列电邮, 请问什么情况下Sendmail 会发一个电邮俾user (way), 内容只有"QUIT" 这个字?

Email log 如下:

From [email protected]  Sat May 11 08:43:39 2013
Return-Path: <[email protected]>
X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on mail.manydate.com
X-Spam-Level:
X-Spam-Status: No, score=-95.1 required=5.0 tests=ALL_TRUSTED,AWL,
FH_DATE_PAST_20XX,MISSING_HEADERS,MISSING_SUBJECT,TVD_SPACE_RATIO,
USER_IN_WHITELIST autolearn=no version=3.2.4
Received: from waynb ([192.168.112.17])
(authenticated bits=0)
by mail.manydate.com (8.13.8/8.13.8) with ESMTP id r4B0h1uJ011460;
Sat, 11 May 2013 08:43:28 +0800
Date: Sat, 11 May 2013 08:43:28 +0800
From: way <[email protected]>
Message-Id: <[email protected]>
X-UID: 23037                                                  
Status: RO

QUIT

Cronjob ?