you probably know how to stop spammers, but in case you're new, heres a script that excludes your admins but kicks spammers
<config>
<command type="script" usergroup="!Admins">
<in>*@hotmail*</in>
<in>*@yahoo*</in>
<in>*@msn*</in>
<in>*http://*</in>
<in>*milf*</in>
<in>*.biz*</in>
<in>*.co.uk*</in>
<in>*.com*</in>
<in>*.guv*</in>
<in>*.net*</in>
<in>*.org*</in>
<in>*www.*</in>
<out>/kick %NAME%</out> for FXS/WCS/Winmx 3.53/3.54beta
<out>#Admincmd /kick %NAME% </out> for RCMS
</command>
/// you can use /kickban if prefered
</config>