it depends on which distro have you used . you can use stop/start script to stop spamassin. or you can see spamassassin prcocess with ps command and kill .
you can see pid of spamassassin with below command and you can kill spamassassin
# ps auwx | grep "spamd" | grep -v "grep"
# kill -9 spamassassin_pid
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Pinpoint customers who are looking for what you sell.
