I’m not sure what is going on, whether people are changing their rules accidently or Outlook/is doing it, but several people needed my help finding missing email and discovered their rules were messed up.The complaint goes something like this: My email is not in my Inbox.
In this guide, the relevant timings are explained and instructions are given in how you can directly force an update and resync, which can be very handy when troubleshooting or when you work in an Exchange environment which sees a lot of user mailbox mutations.
There two options: add domains and addresses to the safe or blocked lists in Exchange admin center or to Outlook using powershell.
Outlook 2016 users are discovering that after updating to builds 7870.2020 and higher, search stops working for POP accounts and PST files.
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