Re: SMTP Sharing HELP!!
- From: matthew_h <matthewh@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 20 Jul 2006 09:02:02 -0700
Thank you so much Bharat. I appreciate your time & expertise!
Given that my Exchange server is already configured to the specifications of
KB article 321721....
I have two IPs listed in "Forward all mail through this connector to the
following smart hosts". One of those will be Authoritative. The
non-authoritative Exchange server will not be set to forward to the
end-of-line Authoritative server.
Is that configuration acceptable??... to have two IPs as smart hosts?
Or do you think the "Centralized SMTP Domain Sharing" would be the better
method?
"Bharat Suneja [MVP]" wrote:
Responses inline..
--
Bharat Suneja
MVP - Exchange
www.zenprise.com
NEW blog location:
www.exchangepedia.com/blog
----------------------------------------------
"matthew_h" <matthewh@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:72978ED6-13DE-43ED-884E-B2D0176C87A0@xxxxxxxxxxxxxxxx
SMTP Address Space Sharing
I have set up a 2003 Exchange server for SMTP Address Sharing as described
in KB article 321721.
http://support.microsoft.com/Default.aspx?id=321721
My Exchange server will be the first point of contact and then forward
SMTP
mail to 3 other locations. Each location is independent and a completely
separate domain. We only share the @companyname.com address space. Would
someone PLEASE clarify a few things for me???
I have configured Exchange exactly as described in KB 321721. I have
created
mailboxes for all mail-enabled users at MY location, set up the Recipient
Policies and the SMTP connector. I have tested and confirmed successful
internal mail flow and outgoing mail, but I have not yet tested the SMTP
sharing.
1. Do I need to create mailboxes for each of the users at the other
geographic locations???
My understanding is that when Exchange receives an incoming message it
looks
through Active Directory for a matching mail account. When Exchange does
not
find the correct recipient, Exchange then forwards the email to the IP
addresses listed in the SMTP connector (located at "Forward all mail
through
this connector to the following smart hosts") to search for the recipient.
If
a recipient is not found, the end-of-line Authoritative Exchange server
returns a non-delivery report to the sender.
Mailboxes for users at those locations will/should be created at those
locations, not within your system.
2. Someone told me that I have done this all wrong and that I should have
to
create individual routing groups for each geographic location along with a
mailbox for each user, but according KB 321721 that is not correct. Am I
right or do I need to start all over????
If all your Exchange servers are in the same AD Forest, you may look into
Routing Groups - but were that the case, this wouldn't be a case of sharing
address space - all your Exchange servers would be in the same Exchange
Org - in other words, Exchange Orgs span the AD Forest = each Forest can
only have one.
The assumption here is that you're not in the same Forest.
3. Regarding the SMTP Connector, in the box "Forward all mail through this
connector to the following smart hosts", this is where I enter the static
IP
addresses of the other locations, correct????
Please let me know if I have misunderstood anything. Thanks in advance for
your time and help!
Correct - and when you type IP addresses, these should be in square
brackets - [1.2.3.4]
Please note, the above solution works if you intend to send from one Org to
another mail system, which may or may not be authoritative for the
namespace. If it's not, it forwards it to the third system, which may be
authoritative and thus the last mail system that will handle the message and
generate NDRs for any recipients not found/resolved in that system - sort of
like a chain.
If you want to implement a central "mail-switching" infrastructure where
your first domain is like the central message routing hub, receives inbound
mail, and handles delivery to different other mail systems (rather than
passing it to the second mail system/Exchange Org, which passes it on to the
3rd... ), please refer to the following KBA:
XADM: How to Set Up Centralized SMTP Domain Sharing in Exchange 2000 Server
for Independent Organizations
http://support.microsoft.com/default.aspx?scid=kb;en-us;315511
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