on *:TEXT:@*:#: { 
  if ($me ishop $chan) {
    if ($+(@,$nick) == $null) {
      set $+(@,$nick) 1
      /kick $chan $nick First Warning : Don't use Public Messages.
    }
    if ($+(@,$nick) == 1) {
      inc $+(@,$nick)
      /ban -ku300 $nick Second Warning : Don't use Public Messages. 5min temp ban.
    }
    if ($+(@,$nick) == 2) {
      unset $+(@,$nick)
      /ban -k $nick $chan Perm ban for 3 uses of @
    }
  }
}