New User Welcome Emails coming October 30th

Community Manager
For all Box Admins!
As you heard at BoxWorks, we are making a number of exciting changes and improvements to our product. We also have an even greater focus on ensuring our customers get as much value out of Box as possible. 
Starting on October 30th, users who have never logged into Box 30 days after an account being provisioned may receive this email:
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New Contributor

Will this only affect new users provisioned from the 30th onwards, or, say we have users who were provisioned a two months ago but have still not logged in to Box yet, would they get this notice as soon as its enabled?