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Replacing UNIX smarthost for email with Exchange Hub Transport Server

Posted on 2013-05-19
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Last Modified: 2013-05-20
Hi,

I got Solaris box that I'm using now in DMZ for relaying email In-Outbound to the WWW between UNIX and Linux box in my company to the outside box (as well as the Windows box).

SO in this case can my current HubTransport server / CAS role manage that duty or do I have to deploy Edge Transport server in DMZ ?
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Simon Butler (Sembee) earned 500 total points
ID: 39180242
You can use your existing Exchange server to do this job. You just need to configure a Receive Connector to allow it to relay.
This article is for Exchange 2007, but the same method applies to Exchange 2010:

http://semb.ee/apprelay

You could also deploy a regular Windows 2008 or WIndows 2008 server in to the DMZ and use that as a smart host - no need to deploy Exchange at all for this task. Depends if you want the emails the server is processing coming near your production server, or prefer it to have its own IP address, DNS records etc - useful if bulk emailing.

Simon.
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by:Senior IT System Engineer
ID: 39180279
Hi Sembee,

Thanks for sharing the idea and suggestion, cool, this is just for pure / basic relay only to the external / ISP MX record, so I guess in this case I do not require Exchange Server 2007 SP3 ET server role anymore to reduce the licensing cost ?

I will be using Windows Server 2008 R2 Web Edition if it is possible to cut down licensing cost and patching requirements.
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by:Simon Butler (Sembee)
Simon Butler (Sembee) earned 500 total points
ID: 39180286
If it is just for basic relaying, then Windows 2008 R2 Web edition will do the job fine.
Just install the IIS6 SMTP role and then setup a relay in the regular way. Make sure that you lock it down so it isn't an open relay.

Simon.
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by:Senior IT System Engineer
ID: 39180328
Ok cool so what is the difference in using Edge Transport server vs. normal windows server box with IIS 7.5 ?
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by:Simon Butler (Sembee)
Simon Butler (Sembee) earned 500 total points
ID: 39180337
Cost.
You have to purchase Windows anyway, but for this task an Edge server is a major overkill. I wouldn't even consider it.

Simon.
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Author Comment

by:Senior IT System Engineer
ID: 39180394
Yes that is all I can think of, because the email hygiene Is managed by Symantec MessageLabs
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Expert Comment

by:Simon Butler (Sembee)
ID: 39180492
If you are using Message Labs, can you not send out via them? Just add the IP address to the list.

Simon.
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Author Closing Comment

by:Senior IT System Engineer
ID: 39183020
Thank you !
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