Exchange 2007 - Configure SMTP relay for non-Outlook clients

How is SMTP relay configured on Exchange 2007 to allow non-outlook clients to send email?  The following post has been followed -

Once configured according to these instructions, email is still unable to be sent with a non-outlook client.
The objective is to allow internal hosts on the subnet that are not members of the domain or have Outlook to send email using the internal hostname or IP address (of the Exchange server) as an SMTP server.  Non-Authentication to the Exchange server by these internal hosts is the preferred method however, authentication can be supported if necessary (from a function or security stand-point).
tsystems-txpresident Asked:
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TG TranIT guyCommented:
Read this:

The key is this statement:
Get-ReceiveConnector "Receive Connector Name" | Add-ADPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights "Ms-Exch-SMTP-Accept-Any-Recipient"

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tsystems-txpresident Author Commented:
Using the GUI for the SMTP connector setup did not work however, using the article posted above as a guide; I created the SMTP receive connector and allowed the open relay using the Power Shell.

New-ReceiveConnector -Name "Receive Connector Name" -Usage Custom -PermissionGroups AnonymousUsers -Bindings Exchange_IP:25 -RemoteIpRanges SMTP_Host_IP
Identity          Bindings         Enabled
--------          --------         -------
HBI-EXCH01\Receive Connector Name {} True

Get-ReceiveConnector "Receive Connector Name" | Add-ADPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights "Ms-Exch-SMTP-Accept-Any-Recipient"
Identity             User                 Deny  Inherited Rights
--------             ----                 ----  --------- ------
HBI-EXCH01\ReceiveConnector    NT AUTHORITY\ANON... False False     ms-Exch-SMTP-Accep...

tsystems-txpresident Author Commented:
This created the connector, and allowed non-outlook clients to send email through it.  You get the points and I get my sanity back....  Thank you for your help!
TG TranIT guyCommented:
Yes,  powershell is the way to go for Exchange 2007.  The GUI is just complementing powershell - you'll find thatyour can do everything with powershell but now with GUI
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