hi there liste to me then tell me where i m wrong Server windows 98 Se with WinProxy Server (192.168.0.1) outgoing Mail Server gjr.paknet.com.pk incoming Mail Server gjr.paknet.com.pk(remember gjr.paknet.com.pk is my realy smtp mail server and i can send and recive mail using this smtp server) | | | | Client (Windows 98 SE) 192.168.0.2 Configure to use 192.168.0.1 as proxy server and i also configure my outlook express to use my out going smtp server 192.168.0.1 (my proxy server) and incomming smtp mail server (192.168.0.1 my proxy server) and on this setting i can send and recive my mails in outlook express. but how can configure isa server as outgoing and incomming smtp server i thing there should be something mssing that we all miss. regard Waseem Javid CICS Admin