You can create a standard signature you can add to your message board posts.
To use a standard signature
Your message board signature can be formatted and include hyperlinks.
To create a message board signature:
Note: If your signature appears double spaced, try entering a break tag at the end of each line instead of hitting the enter key. A break tag is written <br>.
Add a signature to your message board post
You will not see the signature until your message is posted to the message board.
To add a signature to your message board post:
As you write your message on the Add Thread or Reply To: box, click the Use Signature or Include My Signature box to place a tick in it.