du -sh *
tail -f /usr/local/psa/var/log/maillog
find / -mount -noleaf -type f -size +50000k -print0 | xargs -0 ls -lhSr | perl -ne ‘/(\S+\s+){4}(\S+)\s+(\S+\s+){3}(.*)/ and printf(“%*s %s\n”,7,$2.”:”,$4);’
stop qmail server – service qmail stop
start qmail server – service qmail start
How many in Queue – qmHandle -s
Show list in Queue – qmHandle -l
Delete Queue – qmHandle -D