sendmail 报错“SYSERR: putoutmsg ”（急）

netasst

今天发现messages中有大量的SYSERR: putoutmsg错误，哪位高人帮我分析一下原因，谢谢！！！！  

  Jul 24 19:03:45 sd_mta2 sendmail[1462]: h6OB3jp01462: SYSERR: putoutmsg ([10.145.1.131]): error on output channel sending "220 sd_mta2.mphs.sdinfo.net ESMTP Sendmail 8.11.6+Sun/8.11.6; Thu, 24 Jul 2003 19:03:45 +0800 (CST)": Broken pipe
Jul 24 19:03:45 sd_mta2 sendmail[1464]: h6OB3jp01464: SYSERR: putoutmsg ([10.145.1.131]): error on output channel sending "220 sd_mta2.mphs.sdinfo.net ESMTP Sendmail 8.11.6+Sun/8.11.6; Thu, 24 Jul 2003 19:03:45 +0800 (CST)": Broken pipe
Jul 24 19:03:45 sd_mta2 sendmail[1468]: h6OB3jp01468: SYSERR: putoutmsg ([10.145.1.131]): error on output channel sending "220 sd_mta2.mphs.sdinfo.net ESMTP Sendmail 8.11.6+Sun/8.11.6; Thu, 24 Jul 2003 19:03:45 +0800 (CST)": Broken pipe
Jul 24 19:04:00 sd_mta2 sendmail[1475]: h6OB40p01475: SYSERR: putoutmsg ([10.145.1.132]): error on output channel sending "220 sd_mta2.mphs.sdinfo.net ESMTP Sendmail 8.11.6+Sun/8.11.6; Thu, 24 Jul 2003 19:04:00 +0800 (CST)": Broken pipe

netasst

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我自己UP吧！