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Replacing UNIX smarthost for email with Exchange Hub Transport Server

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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Senior IT System Engineer
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Senior IT System Engineer
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3 Solutions
 
Simon Butler (Sembee)ConsultantCommented:
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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Senior IT System EngineerIT ProfessionalAuthor Commented:
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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Simon Butler (Sembee)ConsultantCommented:
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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Senior IT System EngineerIT ProfessionalAuthor Commented:
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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Simon Butler (Sembee)ConsultantCommented:
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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Senior IT System EngineerIT ProfessionalAuthor Commented:
Yes that is all I can think of, because the email hygiene Is managed by Symantec MessageLabs
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Simon Butler (Sembee)ConsultantCommented:
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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Senior IT System EngineerIT ProfessionalAuthor Commented:
Thank you !
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