Spamd Failing

Hi. In my WHM, process manages, the command "spamd-dormant: waiting for connections --max-children=3 --max-conn-per-child=1 --max-spare=1 --allowed-ips=127.0.0.1,::1 --pidfile=/var/run/spamd.pid --listen=5,6" uses 99% memory every couple hours and kills the servers. Please help.