http://war.curse.com/downloads/war-addons/details/spam-me-not.aspxSpamMeNot for Warhammer
This AddOn requires that LibSlash is also installed.
SpamMeNot intelligently detects, blocks and reports commercial and annoying spam messages before you even see them, without relying on an extensive list of blacklisted domain names.
Files are hosted at CurseForge.
Features
Weighs words and patterns to determine if a message is spam.
Not fooled by space and number substitution in messages l1k3 th15.
Identifies spam even if it's split over several messages.
Auto-reports high rated spam to GMs.
Whitelist prevents 'false-positives' from guild/group members.
Coming Soon
Further UI development
You can access the SpamMeNot console by clicking the small icon attached to your minimap, in there it'll show a few stats on the spam blocked, plus copies of all messages blocked, should you feel the need to read them.