求助：postfix遇到的问题，有安装过或使用的大侠，帮忙看下

求助，安装postfix遇到error，请大侠们伸出援助之手啊，千恩万谢
Feb 8 21:07:28 localhost postfix/master[32531]: warning: master_wakeup_timer_event: service pickup(public/pickup): Permission denied
Feb 8 21:08:28 localhost postfix/master[32531]: warning: master_wakeup_timer_event: service qmgr(public/qmgr): Permission denied
Feb 8 21:08:28 localhost postfix/master[32531]: warning: master_wakeup_timer_event: service pickup(public/pickup): Permission denied
Feb 8 21:09:28 localhost postfix/master[32531]: warning: master_wakeup_timer_event: service pickup(public/pickup): Permission denied
Feb 8 21:11:28 localhost last message repeated 2 times