A "signature" is a tag that is added to the end of all your messages. For example, you might add a signature that says, "Be sure to visit my new web site."
To include a signature, you first enter the text that will comprise the signature, and then you set up Web Messaging to include the signature in each message you send.
To enter a signature:
Select Change My Signature under Personal Account Options.
On the Change My Signature page, enter a signature in the text box ( limited to 1000 characters).
Click the Save button.
To include the signature in each message:
Select Edit My Preferences under Personal Account Options.
On the Edit Preferences page, locate Include Signature and select Yes.
Click the Save button.
To stop including a signature, do one of the following:
Delete the signature from the Change My Signature page and click the Save button.
Select No for the Include Signature option on the Edit Preferences page and click the Save button.