Step 1: Log in to SquirrelMail.
Step 2: Click on the Options link at the top of the window.
Step 3: From the Options page, select Personal Information.
Step 4: Enter your signature into the Signature field, located under Name and Address Options.
Step 5: Under Signature Options, place a tick in the Use Signature tick box.
Step 6: If you would like your signature to be separated from the rest of your message, place a tick in the Prefix Signature with ‘– ‘ Line tick box.
Step 7: Click on the Submit button.