宝塔邮局管理器Postfix无法启动解决办法

查看日志

Mar  2 09:55:58 localhost postfix/postfix-script[11530]: starting the Postfix mail system
Mar  2 09:55:58 localhost postfix/master[11532]: fatal: bind 0.0.0.0 port 25: Address already in use
Mar  2 09:55:59 localhost postfix/master[11531]: fatal: daemon initialization failure
Mar  2 09:56:00 localhost postfix/postfix-script[11533]: fatal: mail system startup failed

显示25端口被占用

查找被占用的端口

netstat -tln 查看端口的使用情况

root@localhost:~# netstat -tln | grep 25
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN

查看端口被哪个进程占用

root@localhost:~# lsof -i:25
COMMAND    PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
sendmail- 1067 root    4u  IPv4  19186      0t0  TCP localhost:smtp (LISTEN)

杀掉占用25端口的进程

kill -9 进程id

root@localhost:~# kill -9 1067

启动Postfix成功，正常收发邮件