I have a qmailToaster acting as a filter in front of an Exchange
server. No mail is kept locally, everything is forwarded to the
Exchange server.
Since the toaster doesn't know about the accounts on the Exchange server
it can't block inbound messages for unknown addresses during
transmission. The Exchange server is doing a lot of bouncing. Methods
i've seen to prevent this on the Exchange side seem undesireable:
- disable NDR's completely
- create a catchall for bad addresses using a sink
On a test machine, I'm experimenting with how to get the toaster to
block during transmission. I set it up similar to how the live server
is configured, then I ran vadddomain and vadduser to set up a domain and
a couple users. For each user, I edited the .qmail file to cause them
to forward to an address on an internal-only domain serviced by the
Exchange server.
This seems to work.
I've developed a script I can run on a Windows machine that pulls all
email addresses out of Active Directory and generates a script to run on
the toaster that will use vadddomain and vadduser to create domains and
users, and then create the .qmail file and put the correct information
into it for each user.
My questions:
Are there other ways to go about this on the toaster side that may be
more efficient? Perhaps a file wherein I can list all the email
addresses I'm willing to accept mail for?
Is there a domain-level file i can put forwarding information into so I
don't have to do it in each account's .qmail file?
Do I need to put settings somewhere either on a per-account or
per-domain basis that makes the system use the centralized settings for
SpamAssassin and other Toaster goodness instead of using per-account or
per-domain settings?
Thanks,
Brent Gardner
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