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Creating a group in AD to 'whitelist' message restrictions on outside senders

Posted on 2009-04-15
Medium Priority
Last Modified: 2012-05-06
We've been receiving a large amount of spam to a particular distlist on our domain (staff@domain.org.au), and I want this distlist to only accept emails from domain accounts and a handful of external addresses (mainly our board of directors and email newsletters).

I've set this up in AD under message restrictions to only accept messages from internal staff and have manually added the external email addresses. This setup works fine, but I'm wondering whether I can add all of the 'whitelisted' email addresses as contacts to a group and then only add the group to the exception list. The reason being is that the email addresses are likely to change from time to time and I'd rather manage them in AD rather than have to update the exception list each time.

Related to 23305781
Question by:skibbawackle
  • 2
LVL 71

Expert Comment

by:Chris Dent
ID: 24155777

You should be able to. When you add a group to the delivery restrictions area Exchange treats it as if each member of the group was added.

Perhaps the best way to test it would be to create a dummy distribution list, then set permission to send to for a public e-mail address belonging to yourself via another group. I see no reason for it to fail, but it wouldn't hurt to check.


Accepted Solution

skibbawackle earned 0 total points
ID: 24156333
Yeh it should work in theory but it doesn't - at least not using Exchange 2003. I added my Gmail account as a contact and made it a member of the existing group that I wanted to whitelist but kept getting the message return as rejected.

When I added the Gmail contact directly to the allowed list, the messages went through - but only as an individual contact exception.


Author Comment

ID: 24819336
I haven't been able to find anything else on this after extensive searching. Anyone else found a way to get it working?

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