Often times it’s easier to just turn off Spam Filtering than it is to ask users to keep adding people to Whitelists, so this is how you can create an Office 365 rule to bypass spam filtering
Steps to Bypass Spam Filtering in Office 365
Login to Office 365 as ad admin
Go to Exchange Admin Center
Go to Classic Exchange admin center
go to classic exchange admin center
Go to Mail flow
Go to RULES and then Add Rule
See the image below or follow these steps (is white against white background so may be hard to see)
Set settings to Apply this rule if ‘APPLY TO ALL MESSAGES’
Do the Following – Set the spam confidence level SCL to – ‘bypass spam filtering’
