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Why Does Microsoft Exchange Use Only Public IP's?

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by eddie, gh

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We had a server set set up running Windows Server 2000. During the configuration, my Tech's said that Windows Exchange could only work through a public IP.

The ISP hosting our domain would not give us a public IP, so we eventually installed a 3rd party mail server.

Is it through that Microsoft Exchange can only run on public IP's? If so, why is Microsoft sticking to this in the face of competition from 3rd party software that avoids the security risk of public IP's?

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by atul_snwn

Microsoft exchange use public ip because Microsoft exchange providing a service to many windows base network because of public ip mail s can be access from any were from network for example u have email id like xyz@microsoft.com
u can access u r mail from any were because exchange server using public ip if u use private then u will not able to communicate your mail server .
don't warri microsoft exchange server provide security for u r mails.

by eddie, gh

Thanks for the reply. The public IP for accessing your mails from any site is good. But my question is, if you do not have a public IP, does it mean you cannot use Microsoft Exchange on your server?

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