Exchange Online and Non-MX Delivery

When first designing Exchange hybrid between their on-premises Exchange infrastructure and their Exchange Online tenant, some customers insist that they maintain their current mail flow particularly for mail flow to and from the internet. A very common pre-hybrid inbound mail flow configuration consists of the organization’s MX record pointing to a third-party hygiene service, which…


My Top 12 Office 365 and Exchange Online Must-Dos

In my role as an Exchange PFE I have worked with a number of customers at various stages in their journey to Office 365 and Exchange Online. Some organizations jump right in to their Exchange migrations by performing a quick pilot and then start migrating mailboxes, only to find that they would like to enable…