How to whitelist domain to bypass spam filter in Microsoft Office 365

1) Select <Admin>  <Exchange> < Mail Flow> 

2) Next, Click on <+> to Add Rule for Mail Flow and “Bypass Spam Filtering”

3) Select on the “Apply this rule if”  for  “The sender is” “Domain is”

4) Specify Domain. Add your list of whitelisted Domain

5) Select on “Stop Processing more rules”