How do I change my signature on compose mail?

how do you change the "use my signature" when you go under "compose" an e-mail?

Someone has added vulgar information to my signature when I check the box at the bottom of an e-mail I'm composing using my Yahoo. How do I change it back to what it was?

On the bottom corner of my compose mail page there is a box to check to use my signature when i send mail and i dont know how my signature looks or what it looks like, let alone how to change it lol...

When I E-mail my signature and phone number go out on all my E-mails when I compose them. I have to change the phone number in my signature space. I can't find the sibnature menu to edit it.

I have followed the instructions to change or add a signature line to outgoing mail. But there is no "Compose" link in the General tab. Can someone help?

I have tried on multiple occasions, and when I go to "options" the signature I want to use shows, but when I send mail, the old signature is attached. I'm completely at a loss as to how to get rid of the old signature. Even though I've deleted...

I have tried to change my signature, . When i did end up saving it, it appears on my e-mail messages in line form(my name, title, business, address, etc. ) rather than in heading form: name title business name. , etc., it is very frustrating. on every...

Any time I send my mail I can check and uncheck the box to send my 'signature' with my mail. I put a signature on there a long time ago when I first got Yahoo! and now I don't know how to change it or take it off. Please only answer if you are definately...