--- a/Core.lua	Wed Jun 29 13:06:51 2011 +0200
+++ b/Core.lua	Wed Nov 30 23:22:47 2011 +0100
@@ -312,6 +312,15 @@
 		end
 	end
 	
+	if select(6, GetAddOnInfo("TradeSkillMaster_Mailing")) == nil then
+		self.TSMMailingEnabled = true; -- Set this as an object variable so we can use it in our modules
+		
+		-- Ensure this addon is loaded if AddonLoader is installed
+		if AddonLoader and AddonLoader.LoadAddOn and not IsAddOnLoaded("TradeSkillMaster_Mailing") then
+			AddonLoader:LoadAddOn("TradeSkillMaster_Mailing");
+		end
+	end
+	
 	
 	
 	
@@ -753,6 +762,13 @@
 		-- Toggle module (let Postal handle this)
 		Postal.ToggleModule(nil, name, Postal:GetModule(name), status);
 	end
+	
+	if self.TSMMailingEnabled then
+		local TSMMailing = LibStub("AceAddon-3.0"):GetAddon("TradeSkillMaster_Mailing");
+		if TSMMailing and TSMMailing.massOpening then
+			TSMMailing.massOpening:Hide();
+		end
+	end
 end
 
 -- Change Quick Auction's auto mail status based on our prefered settings