O365 Group is not receiving External

%3CLINGO-SUB%20id%3D%22lingo-sub-1094060%22%20slang%3D%22en-US%22%3EO365%20Group%20is%20not%20receiving%20External%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1094060%22%20slang%3D%22en-US%22%3E%3CP%3EI%20have%20a%20Hydrid%20environment%20and%20external%20emails%20are%20delivery%20failure%20to%20O365%20Group.%20Any%20Suggestions%20to%20enable%20this%20feature.%20Fyi-%20Allow%20external%20senders%20to%20email%20this%20group%20is%20already%20enabled%20in%20GUI.%3C%2FP%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-1094060%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EOffice%20365%20Groups%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E
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Occasional Visitor

I have a Hydrid environment and external emails are delivery failure to O365 Group. Any Suggestions to enable this feature. Fyi- Allow external senders to email this group is already enabled in GUI.

1 Reply
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What kind of group? And what does a Message trace show? Any specific NDRs?