I have running DeluxeMentions for a while, but the player report if send chat message contains the player's name, the target player will receive the ping even they speaking in mcMMO team chat or other private chat.

This plugin unregistered DeluxeMentions chat listener and replace it with DeluxeMentionsFix's listener to executing checks for ChatEvent cancelled status.

So DeluxeMentions should no longer ping players when the chat does not send to the public chat channel.