We have a school association made up of school staff and parents. They need to email each other as a group. I made the external parents as contacts and then made a distribution group and added all to it. Now if an external contact emails the distribution group the school staff recieve it but other external contacts do not. Message as undeliverable.
If a school person emails the distribution group all recieve ok.
I am assuming this is because exchange thinks we are relaying?
Any idea how to work around this one?
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