never used yahoo email and the first thing that came to mind is using a email program to download your emails to your computer without going to yahoo so i just had a quick search to see if it can accessed vis outlook express and it can if its a paid account but if its a free account it can't

but i just googled this for you and it works with free yahoo email accounts...

http://ypopsemail.com/

but be aware i have not tested this link and only discovered it 3 minutes ago... as its your birthday mate