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townsma
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Exchange Server 2010, how to allow applications in the same domain to send emails without authenticaiton.

Previously in Exchange 2007 there was a relay setting in the SMTP connector that you could set so that any computer within a range of IP addresses could send emails with authentication, and without being bounced as relay.  I cannot seem to find the same setting int Exchange 2010.

We have an application that needs to send emails to domain users, whilst the computer user themselves may not actually have a mailbox on the server.  Previously I could set this in the SMTP connector as detailed above.  How can I achieve this now.

Thanks
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townsma

8/22/2022 - Mon
Kaffiend

It works the same way in Exchange 2010 as it does in Exchange 2007.

Just create a Receive connector with the settings you need.  Of course, restrict it so that it only accepts mail from the range of (internal) IP addresses where this app will run from.

Just remember that what you are creating here is basically an almost-open relay (even if it is only local network)
townsma

ASKER
Will give this a try, thanks.
Kaffiend

To shore up security a little bit, it would be ideal if you can make this application talk on anything other than port 25 (standard SMTP port)
Your help has saved me hundreds of hours of internet surfing.
fblack61
townsma

ASKER
Unfortunately, the app does not have that functionality.  But something worth thinking aboutfor the future.
Kaffiend

I hope that at the very least this app can authenticate, then.  If so, this connector should not have "anonymous users" checked.
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townsma

ASKER
Thanks, this did it.
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