Hi Jim! 1. Yes... I am able to connect to the internal NNTP-Server (using the internal IP). 2. Yes... The server (where NNTP-Server is running) is a SecureNAT Client. This server also hosts multiple Websites and they are accessible from outsite... 3. Server Publishing Rule! Oh shi...! I have also tried to run the NNTPserver direct on the ISA-Server. But same prob!!! -TIMO-