Each consultant will have to generate their own App Password
Now, go to this page: https://myaccount.microsoft.com/?ref=MeControl and click on security info
On the security info page, select +Add sign in method and choose App Password
Give your App Password a name, we suggest eBosscrm, but you can choose whatever you want
Once you have clicked next, you will be taken to this popup where Microsoft has generated your App password.
You need to enter this password along with the following SMTP details on your profile page
SMTP Host: smtp.office365.com
SMTP Port: 587
SMTP Username: your email address
SMTP Password: the app password you generated in Microsoft.
Don't forget to scroll to the bottom of the page to click SAVE
Now you have to update your DNS with DKIM & SPF