Multiple Domain Routing - Exchange 2003

18 Feb 2009 4:27 PM

Dave V.

I have question and think this is doable and trying to make sure I am on the
right path.

Large organization with many domains using Exchange 2003. Want to route
mail between domains to each 'bridgehead server' but outbound to an internal
outbound relay server.

Org A. www.my.domain.com
Org B. www.your.domain.com
Outbound Email Server-OES1

Org A. sends an email to someone on your.domain.com want mail to go to Org B
site.

Org A. sends an email to outside.world.com. Mail goes to OES1.

Is this doable with the SMTP routing connectors?

18 Feb 2009 4:36 PM

Oliver Moazzezi [MVP]

Hi there,

By Organization I gather you mean 'company' and not Exchange Org.

If you are a multi-tenant enviroment and have seperated companies onto their
own Exchange hardware within a single Exchange Organisation - you now want
to designate what servers are used if each customer decides to email one
another - is this correct?

If it is then you can use Routing Group Connectors, with an Org wide SMTP
connector for delivery out to the Internet.

If i've mis-interpreted or read you wrong - please clarify.

Oliver

18 Feb 2009 4:47 PM

Dave V.

Oliver, yes Oganization in this case can mean company. however we are gov't
so we have lots of companies / orgs that use exchange but have different
domains. IE xyz.xx.gov, abc.xx.gov, 123.xx.gov. And these orgs do not want
to combine into one or two domains or trusted domains.

However I prefer the email get routed directly to each org instead of going
to the internet and coming back in. Since they use our network to
communicate.

Show quoteHide quote

"Oliver Moazzezi [MVP]" wrote:

> Hi there,
>
> By Organization I gather you mean 'company' and not Exchange Org.
>
> If you are a multi-tenant enviroment and have seperated companies onto their
> own Exchange hardware within a single Exchange Organisation - you now want
> to designate what servers are used if each customer decides to email one
> another - is this correct?
>
> If it is then you can use Routing Group Connectors, with an Org wide SMTP
> connector for delivery out to the Internet.
>
> If i've mis-interpreted or read you wrong - please clarify.
>
> Oliver
>
>
>
>

18 Feb 2009 5:12 PM

Oliver Moazzezi [MVP]

> However I prefer the email get routed directly to each org instead of
> going
> to the internet and coming back in. Since they use our network to
> communicate.

Aha - so they are seperate - if you really want to then, you can create SMTP
connectors, or if all use a common Smarthost, you can configure routing
there.

Does that make sense?

Oliver

18 Feb 2009 4:40 PM

Bharat Suneja [MSFT]

How to share an SMTP address space in Exchange 2000 Server or in Exchange
Server 2003
http://support.microsoft.com/kb/321721

--
Bharat Suneja
Microsoft Corporation
blog: exchangepedia.com/blog

This posting is provided "AS IS" with no warranties, and confers no
rights. Please do not send email directly to this alias. This alias is for
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----------------------------

Show quoteHide quote

"Dave V." <Dave V*@discussions.microsoft.com> wrote in message
news:7A7F3ADE-6310-4897-A3BB-AF9C12ADC7C8@microsoft.com...
>I have question and think this is doable and trying to make sure I am on
>the
> right path.
>
> Large organization with many domains using Exchange 2003. Want to route
> mail between domains to each 'bridgehead server' but outbound to an
> internal
> outbound relay server.
>
> Org A. www.my.domain.com
> Org B. www.your.domain.com
> Outbound Email Server-OES1
>
> Org A. sends an email to someone on your.domain.com want mail to go to Org
> B
> site.
>
> Org A. sends an email to outside.world.com. Mail goes to OES1.
>
> Is this doable with the SMTP routing connectors?

18 Feb 2009 5:13 PM

Oliver Moazzezi [MVP]

In regards to Bharats post - are you sharing the same smtp namespace between
the Orgs? If so you will need to configure this also. Can you clarify.

Oliver

Show quoteHide quote

> How to share an SMTP address space in Exchange 2000 Server or in Exchange
> Server 2003
> http://support.microsoft.com/kb/321721
>
> --
> Bharat Suneja
> Microsoft Corporation
> blog: exchangepedia.com/blog

18 Feb 2009 8:22 PM

Dave V.

Oliver and Bharat thanks.

Again there are many organizations within the state so yes we probably share
some namespaces.

IE: 123.state.gov
abc.state.gov

So they many be *.state.gov but we have others with
123.state.xx.us

and similar.

I think we configure that if an email on 123.state.gov is going to
123.state.xx.us or abc.state.gov then I can configure smtp connectors that
would basically say route to the appropriate server. Else if not this then
send to Internet.

I thought this was doable but there have been some disagreements and I
wanted to confirm it was. Seems to be so.

Show quoteHide quote

"Oliver Moazzezi [MVP]" wrote:

> In regards to Bharats post - are you sharing the same smtp namespace between
> the Orgs? If so you will need to configure this also. Can you clarify.
>
> Oliver
>
> > How to share an SMTP address space in Exchange 2000 Server or in Exchange
> > Server 2003
> > http://support.microsoft.com/kb/321721
> >
> > --
> > Bharat Suneja
> > Microsoft Corporation
> > blog: exchangepedia.com/blog
>
>
>

19 Feb 2009 11:48 AM

Oliver Moazzezi [MVP]

> I thought this was doable but there have been some disagreements and I
> wanted to confirm it was. Seems to be so.

Glad we could be of help.

Oliver

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