Edge Transport Role

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I've setup a VM that is going to be in the DMZ acting as an Edge Transport Role for Exchange 2010. I am thinking of hosting OWA so I will probably need to setup DNS on the VM as well... I will be doing some reading on the Edge Transport role but I was curious to see how people would set this up? I know that the Edge Transport Role provides a level of protection against viruses and spam so is there a need for an anti-spam solution? if so is there a free one I could use for home use? In the past I would setup an SMTP relay service with a spam solution and that would suffice.

Edit. Also I would probably need to add the Client Access Role for OWA...

 

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I think you have pretty much answered your question as using Edge transport server would suffice or alternatively use ISA. I personally would use edge transport server role seeing that its a test lab environment and then see how it works etc.

Interesting and let us know what you decide in the end

 

You would need to add the CAS role to either a new server or your existing Exchange server.

As an alternative to the Edge you can also look at UAG as a means of publishing OWA. At our place we don't use Edge, instead we use a Sophos appliance as our Mail Gateway.

 

This is what I was thinking earlier when mentioning a third party spam solution/mail gateway products. At work we use Surfcontrol for spam which sits on our DMZ. It has the SMTP relay service along with DNS for OWA and company website, this is Exchange 2003 setup.

From doing some research, the CAS would be sitting internally anyways, it needs to authenticate so putting it on the DMZ would not be a good idea. As for UAG, I thought about it but never really tried it. I've setup ISA in the past so maybe that would be a good approach.

Ideally I am looking for something inexpensive as this would be for home use but I will be purchasing the technet subscription in the new year so might as well use it, I believe it's part of the package.

 

Downloading as I type ;) it will have to do until I get the subscription.... Now if only I had the time this weekend to get everything setup...