How do I create my electronic signature in yahoo?

At the bottom of Yahoo! Classic mail, there is a box that you can check that is titled "Use Signature." How are you able to create a signature to use?

I want to create "Signature" in Yahoo mail which should automatically appear when I select "new mail" but failed to create. Please help.

I want to create a signature so when I am ready to send an e-mail I can just press my signature and my name will come up the way I want it! Thank you very much!!!

how can i create a signature on yahoo to put at the end of my emails?

I am a member of a couple of yahoo groups, and would really like to create a signature to show up each time I post a message or reply. Does anyone know how to go about doing this?

At the bottom of when you compose an e-mail it has a box to check that says"use my signature" How do I set up that signature?

I need my signature to have a confidentiality statement every time. I don't know how to do this without using outlook.

i see all my friends useing a signature but i can't seem to figure it out .if anyone out there can help me figure it out it would be much appreciated thank you.