1. Are you sure that you got the right POP server name (and the correct user name) for the POP account in question? If you're trying to get mail from Yahoo as you said earlier, their support site says that you should be using the pop.mail.yahoo.com POP server. Check your settings carefully for spelling errors too.
2. When you say that you can't connect to the server, do you mean that you can't connect at all, or that you can connect but not authenticate?
3. What is the full and exact error that Outlook gives you when you tryo to connect?
4. Is this only a problem with the POP (incoming) mail server? That is, does sending messages via your SMTP (outgoing) mail server work correctly?
"May the Wombat of Happiness snuffle through your underbrush."
- Ancient Aborigine blessing
Please do not contact me by email or PM for help. We're all volunteers here, and only have so much free time to dedicate to our efforts.
However, if I've been working on a thread with you already, and seem to have "forgotten" your thread, please do send me a message. I try not to let things slip through the cracks, but it does happen sometimes.