18. The method of claim 13 , wherein the identified criterion for differentiation is a domain name.
13. A method comprising: associating a first color with a first criterion for differentiation and a second color with a second criterion for differentiation, wherein the first color is different from the second color; displaying a message including address information for at least one recipient before transmitting the message; examining the address information for an identified criterion for differentiation, wherein the identified criterion for differentiation is one of approved, unapproved, prohibited, and restricted before transmitting the message, displaying message information including a name of a recipient associated with the address information on a display of a wireless communication device, wherein one of the name of the recipient and the address information is color-coded with the first color when the identified criterion is the first criterion for differentiation and one of the name of the recipient and the address information is color-coded with the second color when the identified criterion is the second criterion for differentiation.