Hello, This might be a stupid question but we are having problems with our exchange mail server. We have the exchange server behind an ISA 2000 firewall and have Server Publishing Rules publishing the server using xxx.xxx.xxx.141. The firewall server is using xxx.xxx.xxx.130. When we send mail the remote mail server shows that the mail came from .130 instead of .141. I don't know if I am going crazy but shouldn't the mail be coming from .141? Thanks in advance for any assistance. =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Thomas E. Hall, Internet Coordinator Madison County Government Information Systems Department 157 North Main Suite 29 Edwardsville, IL. 62025 Phone - (618) 296-5247 FAX - (618) 692-4002 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=