Yahoo stopped allowing you to view your POP3 Yahoo account through Outlook or Outlook Express a while back, offering a costly subscription service if you wished to have this feature. Here's a quote from the site:
"You recently attempted to retrieve your Yahoo! Mail messages using a POP3 client such as Outlook Express. Yahoo! Mail no longer provides free POP3 Access or Auto Mail Forwarding to Yahoo! Delivers subscribers.
If you would like to continue using Mail Forwarding or POP3 Access, please sign up for our improved package that allows you to:
Use Outlook, Eudora, or another POP3 client to access and manage your Yahoo! Mail.
Automatically forward your Yahoo! Mail to another email account -- even another Yahoo! address.
Send larger attachments, now up to 5MB instead of the free 1.5MB limit.
Send email without the Yahoo! promotional text at the bottom.* "
As for Lycos, I went to the site and it seems to suggest a similar thing - that you have to pay a subsription fee to use POP3 Clients to access it. Here's the info from the site:
" $19.95 per year
25MB Mailbox Disk Storage
POP Client Access
Account Preservation
No Ad Banners
No Ad Taglines "
Sorry to answer your question with "it's not possible", but that's what the answer seems to be unless you're willing to pay.