I strongly suggest Intuit/QB/Merchant Services change the online "support/help" documentation on this topic asap.  I spent an embarrassing amount of time today trying to resolve this issue before finally arriving at this thread.  I've had a great experience with QB so far, but the fact that this thread started in Dec 2018, and MULTIPLE responses to clients stated that engineers were "working on the issue" - for well over a year - is fairly alarming, in and of itself.  Then to read it was not a bug at all, but a change made intentionally and without disclosure to clients or support staff (obviously) is just shoddy.  Sad for all of us!         

Here are a couple of the articles I found that need to be updated:

https://www.merchantcenter.intuit.com/wapweblet/ims-mp-help/en/qbms/svc_mp_email_alerts.html

https://quickbooks.intuit.com/learn-support/en-us/payments-account/update-business-and-account-infor...

See "Update Contact Info":  Statement or deposit alerts go to individual email address destinations you set for each alert type.  

I feel like I saw this in *several* places online.  I hope these changes are made expeditiously so new users like myself don't end up in the same loop.  Thanks.