I think I dont explain me well... I will try to make it more clear.
When new users register on my site they receive the welcoming email containing a link to activate the account, nothing wrong with this.
At the same time moderators (admins) receive, or should, an email notifying of a new user account to be aproved ("ACTION REQUIRED! New User Registration Pending Approval").
This was working until a few days ago and the only thing I have changed was the text inside CB Configuration Manager > Registration > Pending Approval Email
But I have undo the changes to the original text and the admins still don't receive the email notifying of a new user requiring activation.
Hope this way you can understand better.
Thanks