Have you ever accidentally mailed 100g to the wrong character? Instead of your alt some random person or somone you might dis-like in the game? Well what this addon does is when you are mailing something, and you are putting in the name of the recipient, it will ask if the person is on your account or not, and if the name is misspelled, it will erase it and give you a selection. Real helpful when (Ex. Mailing 20k gold and something really valuable) to teh right person.