Hi there, With our school due a broadband upgrade within the next few months, we have decided to begin preparations by trying to sort out our problematic mailserver. We are currently running INet Easymail V5.09 on a WindowsNT4 machine. This machine also doubles as our Network BDC. Because of this it has been placed on our school private IP range (192.168.4.x) - this makes sense I do believe. We have been having trouble getting EasyMail to receive mail through our SuSELinus Firewall box. It has caused us major headaches over the past two months, and we simply cannot get it sorted - even though all the rules (IPTables) are correct. Our service provider has suggested that we move our mail server to a public IP address to it is directly accessible from the outside and thus does not have to go through any firewalls. Thus we decided upon setting up a SendMail box which would contain two network cards - one public and one private (on the 4.x range). Mail would then arrive on the public address, where Sendmail would route it to our IMail server on NT. Does this make sense to you Guru's out there? Is this setup possible? At the moment, I have no idea how to go about this - what I do know is that I need minimum disruption to the network whilst I learn about Sendmail and relaying through. Is it possible to receive mail in Sendmail and relay it to a private IP address (which will me 192.168.4.3)? Should I have two network cards in the Sendmail machine - one public, one private? Any help is gratefully received, Gareth Edmondson ICT Teacher Ysgol Gyfun Gwyr Swansea