Hi folks. I put my new qmail based MX into production yesterday and it
is working great. However, I have one problem and I am not sure which
end I should look to for the answer.
My setup is an external gateway machine running qmail (our MX),
forwarding mail for our domain to our internal mailhub running Netscape
Messaging Server (NMS) which all our users access using IMAP.
The problem is that mail to a non-existant or mispelled address within
our domain gets sent to the internal hub, which checks it and does not
find a valid RCPT, and so it sends the email back to the MX. Now the MX,
instead of bouncing the email back to the sender, it returns it to the
internal hub, which then sends it back again to the MX.
An example, someone outside our domain ([EMAIL PROTECTED]) sends an
email to [EMAIL PROTECTED] The MX for mydomain.com checks the
RCPT and sees that it is destined for our domain so it relays the
message on to our internal hub. The hub, realising that unknownuser does
not exist should bounce the message. Only the message gets sent back to
the MX, which for some reason returns the message back to the hub
instead of returning it the original sender.
This is probably just a lack of understanding on my part (I'm relatively
new to postmaster duties) leading to a misconfiguration somewhere. My
question is, is this qmail's problem or NMS's problem?
--
_________________________________________________________________
Mark E Drummond Royal Military College of Canada
mailto:[EMAIL PROTECTED] Computing Services
Linux Uber Alles perl || die
