Someone

uk-cust1:/var/run/dovecot# ls -la
total 8
drwxr-xr-x  3 root root      95 2008-03-22 20:49 .
drwxr-xr-x 13 root root    4096 2008-03-22 18:52 ..
srwxrwxrwx  1 root root       0 2008-03-22 20:49 auth-master
srw-------  1 root root       0 2008-03-22 20:49 auth-worker.19024
srwxrwxrwx  1 root root       0 2008-03-22 20:49 dict-server
drwxr-x---  2 root dovecot   45 2008-03-22 20:49 login
-rw-------  1 root root       6 2008-03-22 20:49 master.pid
uk-cust1:/var/run/dovecot# /etc/init.d/dovecot stop
Stopping mail server: dovecot .
uk-cust1:/var/run/dovecot# /etc/init.d/dovecot start
Starting mail server: dovecot.
uk-cust1:/var/run/dovecot# ls -la
total 8
drwxr-xr-x  3 root root      95 2008-03-22 21:05 .
drwxr-xr-x 13 root root    4096 2008-03-22 18:52 ..
srw-------  1 root root       0 2008-03-22 21:05 auth-master
srw-------  1 root root       0 2008-03-22 21:05 auth-worker.19100
srwxrwxrwx  1 root root       0 2008-03-22 21:05 dict-server
drwxr-x---  2 root dovecot   45 2008-03-22 21:05 login
-rw-------  1 root root       6 2008-03-22 21:05 master.pid
uk-cust1:/var/run/dovecot# chown vmail:vmail auth-master
uk-cust1:/var/run/dovecot# /etc/init.d/dovecot stop
Stopping mail server: dovecot .
uk-cust1:/var/run/dovecot# /etc/init.d/dovecot start
Starting mail server: dovecot.
uk-cust1:/var/run/dovecot# ls -la
total 8
drwxr-xr-x  3 root root      95 2008-03-22 21:06 .
drwxr-xr-x 13 root root    4096 2008-03-22 18:52 ..
srw-------  1 root root       0 2008-03-22 21:06 auth-master
srw-------  1 root root       0 2008-03-22 21:06 auth-worker.19121
srwxrwxrwx  1 root root       0 2008-03-22 21:06 dict-server
drwxr-x---  2 root dovecot   45 2008-03-22 21:06 login
-rw-------  1 root root       6 2008-03-22 21:06 master.pid