关於Sendmail的奇怪讯息，请各位大大帮忙分析..

bestgenius

Mar 16 09:41:27 www.xxx.xxx.xxx.tw sendmail[8266]: [ID 801593 mail.crit] m2G1fDx08266: SYSERR: putoutmsg (32.145.76.222.board.xm.fj.dynamic.163data.com.cn): error on output channel sending "220 xxx.xxx.xxx.tw ESMTP Sendmail 8.11.7p1+Sun/8.11.7; Sun, 16 Mar 2008 09:41:27 +0800 (CST)": Broken pipe
Mar 16 09:44:19 www.xxx.xxx.xxx.tw sendmail[8314]: [ID 801593 mail.crit] m2G1iJx08314: SYSERR: putoutmsg (35.217.227.121.broad.sz.js.dynamic.163data.com.cn): error on output channel sending "220 xxx.xxx.xxx.tw ESMTP Sendmail 8.11.7p1+Sun/8.11.7; Sun, 16 Mar 2008 09:44:19 +0800 (CST)": Broken pipe
Mar 16 09:44:19 www.xxx.xxx.xxx.tw sendmail[8313]: [ID 801593 mail.crit] m2G1iJx08313: SYSERR: putoutmsg (35.217.227.121.broad.sz.js.dynamic.163data.com.cn): error on output channel sending "220 xxx.xxx.xxx.tw ESMTP Sendmail 8.11.7p1+Sun/8.11.7; Sun, 16 Mar 2008 09:44:19 +0800 (CST)": Broken pipe
Mar 16 11:17:06 www.xxx.xxx.xxx.tw sendmail[11839]: [ID 801593 mail.crit] m2G3H6x11839: SYSERR: putoutmsg (130.93.39.59.broad.yj.gd.dynamic.163data.com.cn): error on output channel sending "220 xxx.xxx.xxx.tw ESMTP Sendmail 8.11.7p1+Sun/8.11.7; Sun, 16 Mar 2008 11:17:06 +0800 (CST)": Broken pipe

请问各位大大这样log是否代表有伺服器在攻击sendmail呢？那该如何解决呢？

PS.已爬过文，但都没有找到解决的答覆，麻烦各位大大指教。

bestgenius

都没人回，自顶一下，希望有大大能帮忙，谢谢...

bestgenius

再顶一次，希望有大大能解决，谢谢..

风之幻想

应该不是攻击.感觉是SMTP的IP出口有问题了.换一个其他的地址看看.或者看看你的MX设置是不是有问题了。