Do you have more than one GC? Your DL membership change may not have
replicated to all of your GCs yet. You'll also need to wait at least 5
minutes after the replication has completed in order to guarantee that the
DL membership is not still cached by Exchange from the last time you sent
mail to it.
What happens if you send mail directly to the PRODUCTION recipient? (Request
a delivery receipt, of course.)
Is it possible that someone is deleting new mail from the PRODUCTION mailbox
before you have a chance to check it? Any inbox rules, etc... (It is
possible to create rules that act differently on messages sent directly to a
mailbox vs. messages sent to a DL containing the recipient.)
How many Exchange servers are involved here? Is the mail being submitted to
the same server that the PRODUCTION mailbox is on?
Does the DL have an expansion server configured? If so, can you send mail
from a mailbox on the expansion server directly to the PRODUCTION recipient?
For troubleshooting purposes, it is best to have the DL configured to send
delivery reports to the message originator. (See the "Exchange Advanced" tab
in the DL's properties dialog in AD Users and Computers.) Try sending mail
to the DL and requesting a delivery receipt for it. Are there any other
members of the DL that you don't get a delivery DSN for? Take note of the
server(s) that generated the delivery DSN(s).
Do you get the same behavior if you create a brand new test DL that only
contains PRODUCTION as a single member?
Exchange Transport Developer
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> Thanks for the help, but...
> I don't have multiple domains, and the troubled distribution list is
> a mail enabled universal distribution group containing only users.
> Any other ideas?
> Robert Harris
> > Exchange support only universal groups in multi domain Active Directory
> > You will have to create Universal Distribution / Security Groups and
> > enable those groups.
> > The members should be users not groups.
> > A global or local mail enabled group in a multi domain environment can
> > result mails will not reach the members of the group.
> > Nesting global groups in a universal groups still will not help because
> > GC that expand those groups will not find the members of those groups.
> > --
> > Please do not send email directly to this alias.
> > This posting is provided "AS IS" with no warranties, and confers no
> > Ronen Gabbay MCT MCSE+I MCDBA
> > Hi-Tech College
> > ISRAEL
> > > A member of my distribution list, PRODUCTION, is not receiving
> > sent
> > > by certain users.
> > > Before the message is sent, the properties of the distribution list
> > > PRODUCTION to be a member. After the message is sent, the message
> > tracking
> > > center shows that the message was never sent to PRODUCTION. The
> > PRODUCTION
> > > account does not have any delivery restrictions. I've tried removing
> > > re-adding the PRODUCTION to the distribution list, but it did not
> > > Does anybody have any ideas as to what could be causing this problem?
> > > Thanks,
> > > Robert Harris