Can't send email from Publisher 2013
Hello All,
I have a user trying to send an email from Publisher 2013 behalf of a shared mailbox and the user is getting and NDR
'You do you have permissions to send on behalf of this mailbox'
I can confirm the user has 'full access' to the shared mailbox and has no issues sending behalf of this shared mailbox from Outlook 2013 Client.
Setup:
User Mailbox is in Exchange Online
Shared Mailbox is On-Premise
Any thoughts.
Thanks
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