My server keeps rejecting my login!!!!

[Dave]

You can't access the free US Yahoo account with Windows Mail. It will act
like that if you try.
If you pay for the Yahoo Mail Plus account, then you can access their POP
server.
http://help.yahoo.com/l/us/yahoo/mail/original/mailplus/pop/pop-06.html

 

[Roslyn B. Pickett]

I think I did everything right. I am using my yahoo mail and it does
everything right but then at he end it asked me to verify my username and
password but then it just pops back up again. I am really getting
frustrated with this problem. Someone please help me?