Logging sendmail日志记录错误到我的httpd错误日志？

我刚把服务器从Centos 4.9升级到Centos 6.2

以下行正在被记录到my/etc/httpd/logs/error\u log（没有时间戳，但至少每隔几秒钟记录一次）：

你知道这可能是什么，或者我怎样才能阻止这个错误被记录下来吗

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我所能想到的就是做以下事情。。。久而久之，我也犯了同样的错误：

root@vps1 [/]# whereis sendmail
sendmail: /usr/sbin/sendmail /usr/lib/sendmail
root@vps1 [/]# /usr/lib/sendmail stop
sendmail: Not running with correct effective GID.  Is sendmail binary setgid mailtrap?
sendmail: Not running with correct effective GID.  Is sendmail binary setgid mailtrap?
root@vps1 [/]# /usr/lib/sendmail restart
sendmail: Not running with correct effective GID.  Is sendmail binary setgid mailtrap?
sendmail: Not running with correct effective GID.  Is sendmail binary setgid mailtrap?

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通过简单地重建sendmail就解决了这个问题

主机支持人员还向我发送了以下信息（可能有助于其他人查找此错误）

这为我解决了这个问题：

chown root:mailtrap /usr/sbin/sendmail
chmod 2755 /usr/sbin/sendmail

-bash-4.1# hostname
vps1.myhostname.com
-bash-4.1# sendmail
Exim is a Mail Transfer Agent. It is normally called by Mail User Agents,
not directly from a shell command line. Options and/or arguments control
what it does when called. For a list of options, see the Exim documentation.
-bash-4.1# 

chown root:mailtrap /usr/sbin/sendmail
chmod 2755 /usr/sbin/sendmail