QuickHelp can send automated emails to end users in the following situations: account creation, password reset, assignments, event registration, group activity, etc. If you or your users aren't receiving these emails, it may be that your IT department needs to whitelist the QuickHelp email server(s) (see information below).
If some users are receiving emails but others aren't, please have the users not receiving emails check their Notification Settings in QuickHelp. Individual users can disable emails.
If this does not answer your questions, please enter a support ticket here.