I have servers set up as diagramed below. Proxied web traffic work fine. Email fails. I can send mail from the Linux box via Pine. Email server is at external ISP. +------------------------+ | | | DirectWay Satellite | | | +------------------------+ | | +------------------------+ | | Windows 2000 Pro | | | | | | 10.111.45.249 | +-------------------------- | | 255.255.255.0 | | | | | | NAT/DHCP | Connection Shared using W2K wizard | 192.168.0.1 | | +-------------------------- | | | 255.255.255.0 | | +------------------------+ Cross-Over Cable | +------------------------+ | | Redhat 7.3 | | | DHCP (192.168.0.x) | +-------------------------- | Squid Proxy | 255.255.255.0 | Dan's Guardian web filter | | | 192.168.254.250 | +-------------------------- | | | 255.255.0.0 | | | | | +------------------------+ | | +-----------+-------------+ | Hub | | | +--+---------+------------+ | | | +----+------------+ | | Wintel Clients | Default Gateway = 192.168.254.250 | +-----------------+ | | +-----------------+ | | Win2K Server | | | 192.168.254.254 | +----+--------------- | DHCP Server | 255.255.0.0 | | | +-----------------+ Glen Spidal Cybercorp Computers, Hillsboro Oregon PH: 503-681-9786 FX: 503-615-2936 www.cybercorpinc.com