sendmail无法获取域名问题

   启动系统，提示sendmail有如下提示：

Mar 18 01:45:09 OI-n2 sendmail[608]: [ID 702911 mail.alert] unable to qualify my own domain name (OI-n2) -- using short name

Mar 18 01:53:40 OI-n2 sendmail[1551]: [ID 702911 mail.crit] My unqualified host name (OI-n2) unknown; sleeping for retry

   这可以算是sendmail自身的一个bug，解决方法，可在/etc/hosts里添加个域名即可，示例如下：

       192.168.168.168 oi-host localhost.localdomain