解决sendmail 不能发送邮件问题
1.未发出的邮件草稿都保存在下面，随便打开一个可以看见报错如下/var/spool/clientmqueue
----- The following addresses had permanent fatal errors -----
133XXXXXXXX@139.com
(reason: 550 5.0.0 Access denied)
2.编辑下边的文件，添加如下行内容，重启sendmail即可
vi /etc/hosts.allow
sendmail: ALL
页:
[1]