If you have ever recieved an in-game mail from a Game Master, or any other Blizzard representative, you will notice they have a special letter background as well as a special logo to discern from the rest of the mail.
Well, now you to, can send in-game mail like that! Its quite easy, too!
Simply:
And send a mail to someone! By having this item in your inventory, all out-going messages are made "blizz-like".Code:.additem 18154
Just a little share.
Enjoy!
-Hell
EDIT: it even says its coming from "Customer Support". =D
Its a very nice system for GMs to use, especially on a blizz-like server.