Hi, I use a non-root user to run auth program and get an error: auth-worker.18163) failed: Permission denied and cannot start dovecot. But with the same configration at another server, it works fine. If I use root, it works also. Any help? Version: 1.1.1 Error log: dovecot: Jul 02 15:46:47 Fatal: auth(default): net_connect_unix(/home/xueron/var/run/dovecot/auth-worker.18163) failed: Permission denied dovecot: Jul 02 15:46:47 Fatal: Auth process died too early - shutting down Then I check the /home/xueron/var/run/dovecot/: srw-rw-rw- 1 amos amos 0 Jul 2 15:46 auth-master srw------- 1 amosauth amosauth 0 Jul 2 15:46 auth-worker.18163 srw------- 1 amosauth amosauth 0 Jul 2 15:46 auth-worker.18164 srw------- 1 amosauth amosauth 0 Jul 2 15:46 auth-worker.18165 srwxrwxrwx 1 root root 0 Jul 2 15:46 dict-server drwxr-x--- 2 root amosdove 4096 Jul 2 15:46 login -rw------- 1 root root 43 Jul 2 15:46 master-fatal.lastlog -rw------- 1 root root 6 Jul 2 15:46 master.pid the owner has already changed to the user i set in dovecot.conf Thanks! -- Xueron Nee http://www.xueron.com