Securing the Exchange ActiveSync 2007 ?

What can we do to make the Exchange Server 2007 Active Sync connection secure ?

because I believe that out of the box, Exchange HT server allows anyone to connect to receive email as long as they know the HT server name and got AD credentials.
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Senior IT System EngineerIT ProfessionalAsked:
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Alan HardistyConnect With a Mentor Co-OwnerCommented:
The command will disable it for ALL existing mailboxes and if you add a new one, you can run the same command again providing you have not enabled it for anyone manually.

If you have enabled some and want to keep them enabled, then you need to run:

Set-CASMailbox -Identity newuser@yourdomain.com -ActiveSyncEnabled $false
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Alan HardistyConnect With a Mentor Co-OwnerCommented:
What do you mean by secure?

By default you will be secure because you will be using SSL.

Do you want to block access unless specifically allowed?

If that is the case, you can globally disable ALL accounts using the following command:

get-mailbox | set-casmailbox -activesyncenabled:$false

Then you can manually enable a specific account using the Exchange Management Console or the shell.

Alan
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Senior IT System EngineerIT ProfessionalAuthor Commented:
Exactly, so in this case, Exchange 2007 allows ActiveSync to be enabled by default.
what about Exchange Server 2010 or 2013 ?
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Alan HardistyConnect With a Mentor Co-OwnerCommented:
Activesync is enabled by default on ALL versions of Exchange.
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Senior IT System EngineerIT ProfessionalAuthor Commented:
ok, so in this case after I execute the powershell script

get-mailbox | set-casmailbox -activesyncenabled:$false

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I need to do it again everytime I created new mailbox ?
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