>> Accessible to the internet is a Fedora Cora 1 machine running >> sendmail for a particular domain. So, it has a MX record for >> that domain. >> >> Inside our firewall I have a Red Hat 7.3 machine that runs >> sendmail locally that has access out of the firewall on port 25. >> >> The 7.3 box just Whenever the 7.3 box sends mail out as root, >> its return address is root@xxxxxxxxxxxxxxxxxxxxxx The 7.3 is >> not in the same domain as the Fedora machine. The mail >> leaves the 7.3 box and gets to the Fedora machine. At the >> point where it hits the Fedora machine the return address is >> rewritten as the domain of the Fedora machine. >This looks like normal behavior to me. anyID@xxxxxxxxxxxxxxxxxxxxx is >not a valid, routable email address. It is only valid within the >onfines of any single machine's internal mail system. It would be quite >normal and desirable for an internet aware MTA to change such an address >to one that is routable. >Eric Diamond >eDiamond Networking & Security >303-246-9555 >eric@xxxxxxxxxxxx While localhost.localdomain is not valid, I do not wish sendmail to change the address in any such way. Especially coming from an outside server. Thanks. Dave
