New emails should be delivered to the inbox unless they have specifically opted to redirect them somewhere else. People don't understand that new emails might be waiting in a random folder.

From reading forum posts I can see you have been promising to add a way to disable this for about a year but not added that yet. 

Instead it seems you have now set Smart Filters to be enabled on newly created accounts so I now need to individually login in and disable it for every account thats been created.

I don't even really understand what the "notification" concept is supposed to be and what the requirement for its classification is but it's scooping up invoices that I've sent to clients and hiding them away from them.

Please don't destroy Zoho by forcing users into unintuitive feature bloat - Zoho is already good!