I have 15 networked desktops using Outlook 2003 getting email from exchange server and POP3 account. The exchange runs great but the Yahoo/POP account has occasional message asking for username/password to log into pop.bizmail.yahoo.com. The pop up can happen 5 to 50 times per day. It occurs 4-7 days per month on average. I have changed my server timeouts to 4min.40 sec from the previous 1 min setting and under the advanced tab and I have tried both options under the Outgoing server tab. I have had these accounts for years and they do fine most of the time.
Are Yahoo mail servers causing my pop up asking for username/password or am I missing something.