Ok but what is problem with email, is it sent to someone that did not get credits?
Required:
For this feature: I think an on/off button is necessary.
Just last night: Emails were sent to approximately 400 different users.
Yes, logically speaking, this is a marketing effort. However, on the other hand, if emails are sent constantly, people might get annoyed.
Furthermore, this isn’t a case of opt-in emails anyway.