I'm using Exchange 2010 with Outlook 2010 clients. I've just created a new distribution group, added a member, and attempted to send to the new distro group, but I'm getting a failure: #550 5.1.1 RESOLVER.ADR.ExRecipNotFound; not found ##.
This is a formal normal process, so I'm not sure why it's not working this time around. Help would be appreciated!
Software/Hardware used: Exchange 2010, Outlook 2010, EMC
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