9. The method of claim 1 , wherein a source's relationship to the particular organization, internal to the particular organization or external to the particular organization, is reflected in at least a part of an address portion of electronic messages sent by or on behalf of the source.
1. A method of facilitating communication of electronic messages, the method comprising: enabling, via a user interface of a message communication device, a first message configuration to be used when replying to a first electronic message received from a source internal to a particular organization, the first message configuration including a first text, wherein the particular organization represents a category, users internal to the particular organization are included in the category and users external to the particular organization are not included in the category, and the category is one of personal, customer, and supplier; enabling, via the user interface of the message communication device, a second message configuration to be used when replying to a second electronic message received from a source external to the particular organization, the second message configuration including a second text; storing the first message configuration and the second message configuration; receiving a message from a source; after receiving the message, receiving, from a user of the message communication device, a third text, wherein the third text is a new reply electronic message corresponding to the received message, and the third text is different than text of the received message; and automatically appending one of the first text of the first message configuration or the second text of the second message configuration to the third text for the new reply electronic message based on the source of the received message associated with the new reply electronic message.