I have a 2008 Windows 64 bit server on the Internet. Can I install Exchange 2010 Standard on that server? Is there any reason you can't put the Exchange server right on the Internet like that?
closed as not constructive by RobM, Cheekaleak, Bart De Vos, womble, MDMarra Nov 14 '11 at 2:23
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Sure you can. You just need to follow Configure Internet Mail Flow Directly Through a Hub Transport Server on TechNet to get this running, but it's simply a matter of creating a send connector to the internet and tweaking the default receive connector.
Microsoft have this to say in the same article I linked above, but provided you take sensible precautions and don't do something stupid I don't agree with it 100%. Sure, in an ideal world everyone would have an Edge transport server, but the internet facing Hub Transport server works very well in my personal experience.
It goes without saying that you should have a firewall between your Exchange server and the internet with only the necessary holes poked into it, with default deny rules and such. As with any internet facing server, deploy Microsoft Updates as soon as is practically possible to mitigate any risks using that attack vector.
Depending on your paranoia and needs, you might also want to disable some mailbox features such as ActiveSync or OWA for everybody (
Depends if you value your security.
If you put any kind of Windows server straight on the internet, you will lose control of it. I think the going time these days for new servers is about 4 hours, but it could be less.
You'll need some kind of comprehensive firewall, and an IDS, amongst other changes to security practices to ensure that your mailserver stays safe, and free from malware. Not to mention so that it doesn't get abused as an open relay.
Seriously, as I said before. Find a Hosted Exchange solution. This is not really a task for someone new to the whole sysadmin milieu