Mar 20 15:49:33 web01 postfix/cleanup[17009]: fatal: open lock file pid/unix.cleanup: cannot open file: Permission denied
Mar 20 15:49:33 web01 postfix/smtp[17010]: fatal: open lock file pid/unix.smtp: cannot open file: Permission denied
Mar 20 15:49:34 web01 postfix/master[16692]: warning: process /usr/libexec/postfix/cleanup pid 17009 exit status 1
Mar 20 15:49:34 web01 postfix/master[16692]: warning: /usr/libexec/postfix/cleanup: bad command startup -- throttling
Mar 20 15:49:34 web01 postfix/master[16692]: warning: process /usr/libexec/postfix/smtp pid 17010 exit status 1
Mar 20 15:49:34 web01 postfix/master[16692]: warning: /usr/libexec/postfix/smtp: bad command startup -- throttling
Mar 20 15:49:58 web01 postfix/smtpd[17037]: fatal: open lock file pid/inet.smtp: cannot open file: Permission denied
Mar 20 15:49:59 web01 postfix/master[16692]: warning: process /usr/libexec/postfix/smtpd pid 17037 exit status 1
Mar 20 15:49:59 web01 postfix/master[16692]: warning: /usr/libexec/postfix/smtpd: bad command startup -- throttling
Mar 20 15:50:05 web01 postfix/master[16692]: warning: unix_trigger_event: read timeout for service public/pickup
解決辦法：setenforce 0
postfix set-permissions