How do I set Yahoo mail as my default mail provider?

I had contacted Craiglist on the above and this is what I had got back from them; "I suspect when you click the 'Reply to:' email address your browser is trying to use Outlook, Thunderbird, Windows Mail (or the like) as your default email. Outlook...

I dowloaded Yahoo messenger, and set Yahoo mail as my default. Yet, now out-of-the-blue, my computer set Windows mail as the default, and Yahoo mail is not in the drop-down box under internet options, even though Yahoo messenger is still installed and...

When the email set up wizard pops up I need to know the incoming and outgoing servers for Yahoo mail to set it up as my default email for Windows Vista. Where do I find this. Is it even possible to set up Yahoo Mail in Windows Vista as your default email...

My default mail client is not set properly so I can't email from links without going back to yahoo mail and doing so.If I set the default mail client as they say do will I still be able to use yahoo mail to send messages too.

O.k, I am trying to set yahoo as my default e-mail address but when I click under properties in the e-mail pull-down tab the only options I have are Microsoft office outlook, outlook express,and windows live mail. I don't want any of those options. Is...

Im trying to set yahoo mail as my default email. Everytime i try to click any link to email it sends me to windows mail. Ive had yahoo toolbar, etc downloaded already. when i go into my control panel and under internet options ... i select programs ...