[root@ProxyServer ~]# vim /etc/mail.rc #文末添加以下set from=justin@51cto.com set smtp=smtp.51cto.comset smtp-auth-user=justin@51cto.com set smtp-auth-password=51cto set smtp-auth=login [root@ProxyServer ~]# source /etc/mail.rc [root@ProxyServer ~]# mail -s "51cto" 15001*****@139.com