Outlook Error 0x800CCC0F – Using POP3 To Exchange – Behind a Cisco CSC (Trend InterScan) Module
KB ID 0000642 Problem I upgraded a clients firewall and CSC software a couple of weeks ago, and ever since “some” users saw the following errors, Error 0x800CCC0F Task ‘{email address} – Sending’ reports error (0x800CCC0F): #The connection to the server was interrupted. If the problem continues, contact your server administrator or Internet service provider (ISP).’ Eventually it would time out...