Briefly.. any suggestions where to look for the cause of hanging spamd's? This can't be good.. :-|

root@kayboo [/usr/local/cpanel/base/horde]# ps -ef | egrep spam
root 26915 1 0 Aug31 ? 00:00:00 /usr/bin/spamd -d
hostmoon 6968 26915 0 00:34 ? 00:00:00 /usr/bin/spamd -d
hostmoon 8057 26915 0 00:39 ? 00:00:00 /usr/bin/spamd -d
s2dmb 8618 26915 0 00:41 ? 00:00:00 /usr/bin/spamd -d
hostmoon 31125 26915 0 02:19 ? 00:00:00 /usr/bin/spamd -d
hostmoon 32157 26915 0 02:24 ? 00:00:00 /usr/bin/spamd -d
hostmoon 32280 26915 0 02:24 ? 00:00:00 /usr/bin/spamd -d
hostmoon 21421 26915 0 04:02 ? 00:00:00 /usr/bin/spamd -d
hostmoon 24135 26915 0 04:07 ? 00:00:00 /usr/bin/spamd -d
hostmoon 27735 26915 0 04:24 ? 00:00:00 /usr/bin/spamd -d
hostmoon 28821 26915 0 04:29 ? 00:00:00 /usr/bin/spamd -d
hostmoon 8174 26915 0 05:24 ? 00:00:00 /usr/bin/spamd -d
hostmoon 20929 26915 0 06:24 ? 00:00:00 /usr/bin/spamd -d
hostmoon 22041 26915 0 06:29 ? 00:00:00 /usr/bin/spamd -d
hostmoon 1755 26915 0 07:24 ? 00:00:00 /usr/bin/spamd -d
hostmoon 2856 26915 0 07:29 ? 00:00:00 /usr/bin/spamd -d
hostmoon 14830 26915 0 08:24 ? 00:00:00 /usr/bin/spamd -d
root 31639 16607 0 09:05 pts/3 00:00:00 grep -E spam