Microsoft Office 365 articles, fixes and updates - March 2020
This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Office 365 that have been released in March 2020. The list is daily updated.
- 2723654 External recipients don't receive email messages that are sent to a distribution group in Exchange Online, and senders don't receive nondelivery reports Q2723654 KB2723654 March 30, 2020
- 2784785 "550 5.1.1 RESOLVER.ADR.ExRecipNotFound" NDR error message when you send email messages by using Outlook in Office 365 Q2784785 KB2784785 March 13, 2020