I belong to a yahoogroup. How can I send messages from my 2 different email addresses?

I belong to a Yahoogroup. I have two different email addresses. My yahoogroup only lets me post messages from one address. How can I get it to recognize my second address?
I belong to a yahoogroup. How can I send messages from my 2 different email addresses?
go to the group home page and at the top you will see 'edit membership', click on those words and you will see an option to add a second email address