hi I have installed isa server at my office i am connecting to internet through dial up modem from isa server itself i am able to configure my clinet pc and able to browse internet but my outlookexpress i cant recv any email from any of my client pc my outlook is configured to recv mail from external pop3 server thatz is from my isp which outside my network i am not able to recv aswell as send any message from my nay client pc or any firewall client so pls let me know how to configure isa server fro making me recv mails from pop3 server situated at outside my network aslam