Les Mikesell wrote:
Tim Alberts wrote:
I have told sendmail to listen to the correct interfaces, but that
apparently doesn't mean only write to those interfaces. I don't
see how to control this by setting up my routes and I can only
really think of ways to block it in IPtables, not re-route it.
You probably used the DaemonPortOptions entry in sendmail.mc to
control the listening side. Do the same with ClientPortOptions for
outbound connections.
Boy it sure sounded like a solution. This may guarantee that
sendmail sends on the specified IP interfaces. However I think the
underlying linux routing is still the problem because the problem
hasn't gone away.
Routing shouldn't affect a source IP. What does tcpdump say is being
used? Linux does do some strange stuff with addresses on the same
machine though so anything is possible here.
tcpdump shows everything going via the web IP (eth0). I see nothing
going out the smpt IP (eth2).
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