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Exchange 2007 Authenicated Mail Relay

I have recently installed Exchange 2007 SP1 -- and am having difficulty getting the Receive Connectors configured correctly.  The default connector is configured for 'any' IP and Permission groups Exchange Users and Exchange Servers. the default connector authenication accepts TLS, Basic Authenication with TLS, Exchange Server authenication, and Integrated Windows authenication.  I have a custom connector with Permission groups - Exchange users, Exchange Servers, and Anonymous Users -- which accepts from only specifically specified IPs. My problem is that applications, UPSs, etc. that try to email using our own Exchange accounts do not work -- unless I specify their IP and let them work anonymously.  How do I configure it so that our own exchange accounts can email through the default connector.  One particular apps for instance, lets you specify the 'From:' & 'To:' accounts -- if both are our own Exchange accounts and I'm logged in as the 'From:' -- it doesn't work. I receive "421 4.3.2 Service not available, closing transmission channel" in the log file.

Thanks for your help.
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apsutechteam
Asked:
apsutechteam
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1 Solution
 
LegendZMPrincipal Security ArchitectCommented:
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apsutechteamAuthor Commented:
My confusion on this issue is that I can't connect to my Exchange server from other servers using one of my own Exchange accounts (Telnet session attempted below).
220 myserver.apsu.edu Microsoft ESMTP M
41:43 -0500
helo
250 casserver.apsu.edu Hello [10.2.xxx.xx]
mail from: exadmin@apsu.edu
530 5.7.1 Client was not authenticated

For instance, this exadmin2k account  has elevated permission and is one of my Exchange accounts.  I am using specific IPs in a custom connector for anonymous connections and this works, but don't see why I can use authenicated Exchange accounts through the Default connector.

Thanks for your help.
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LegendZMPrincipal Security ArchitectCommented:
On your receive connector, what are your permissions set to?
Exchange2007ReceiveConnectorProp.gif
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