I have Exchange 5.5, I believe SP4.
I have some users that want to use Outlook Express instead of plain old
outlook. I have IMS set up and working properly, all outgoing mail goes
out and all incoming mail comes in.
In order to allow users to use Outlook Express, I seem to have to allow
relaying, is this correct? What I have done is to set up routing such
that relaying is only allowed on our internal IP's.
The problem I am having is that if an outside user sends an email with a
delivery receipt, I get an inbound mail failure. The message looks
something like this:
The following recipients did not receive the attached mail. Reasons are
listed with each recipient:
<[EMAIL PROTECTED]> [EMAIL PROTECTED]
MSEXCH:IMS:ICSCONTROLS:ICSPDC:ICSPDC 3554 (000B09AA) 554 Mailbox
unavailable.
One other thing that may or may not be relevant is that we have a firewall
that uses NAT (a Linux machine using IPTABLES). It may or may not be
configured correctly.
My questions are:
- Have I set up IMS correctly?
- Can I get the delivery receipts working, or barring that, at least
prevent the email in the administrator's inbox?
As you may have gathered, I am no expert at this stuff, but I am all this
company has. Thanks for your help.
Jason G.
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