Message center announcements, February 8-14, 2021 HCS COMPANY MICROSOFT SERVICES B.V. Major updates Enforcing mailbox receiving limits MC239262 | February 13 - We are updating the way we enforce our receiving limits in Exchange. Starting in April 2021, we will be more strictly enforcing limits across all mailboxes to protect the health of our systems and ensure optimal mail flow performance for all customers.Mailboxes that receive high message volume in a short time can cause mail flow delays, both for individual recipients and across your organization.With these changes, emails will be throttled for recipients that exceed our published and... View more (Updated) Announcing a new service plan, Teams Pro MC238782 | February 12 - Updated February 12, 2021: Based on early feedback we have updated this post to provide additional clarity. Thank you for your feedback. On Feb. 9, we published an MC post regarding a new Teams Pro service plan. To clarify, there is no change to existing prod...