>just strip the headers previously to the exim box. Or you could strip the
>client headers (which probably won't have much bearing on server mailloops)
Here's what I did. Just added headers_received into the standard dnslookup
router (there is an router before this one to catch inbound messages) like
so:
dnslookup:
driver = dnslookup
domains = ! +local_domains
transport = remote_smtp
ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
headers_remove = Received
no_more
Could not be simpler, I just achieved in two days with minimal effort (that
includes setting up Exim from scratch for the first time ever) what is near
impossible to do in you-know-what (we do not speak it's name :-)
I'll be singing praise to Exim, its helpful users and the EXCELLENT
documentation henceforth.
>It is usually fairly easy to discover an organization's internal IP
>address range though, using strategies such as bounce messages etc.
>Which cause a nice failure message to go back and blab what the internal IP
>addresses are.
Good point. I'll try to mitigate this by setting up a dummy user that
absorbs all invalid addresses like a black hole ;-)
Any other ideas?
Cheers,
Caro
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