Message center announcements, July 19-25, 2021 HCS COMPANY MICROSOFT SERVICES B.V. Major updates Sender-recipient pair receiving limits in Microsoft Office 365 MC272450 | July 23 - We are updating our receiving limits in Exchange to help prevent attacks on your mail flow experience. Earlier this year in (February MC239262) we announced a stricter enforcement of our mailbox receiving limits. Taking your feedback into consideration, we are releasing an additional limit to block single-sender mail storms and deter DoS attacks. Our mailbox receiving limits, as previously stated, apply to the messages received by a Microsoft Office 365 mailbox. If volume exceeds 3,600 messages... View more (Updated) Microsoft Teams: meeting recordings saved to OneDrive and SharePoint Act by: August 16 MC222640 | July 23 - Updated July 22, 2021: This post has been updated with new information regarding the move of Teams meeting recordings being saved to OneDrive and SharePoint, which is on track starting A