As per the PS team’s comments, the Email functionality should be disabled for all forms and should be enabled only when an individual selection is made. Screenshot;https://drive.google.com/file/d/1DWDoHkdJik5nFnI82ZROjj1ioLD-Sjvt/view?usp=sharing
As per the PS team’s comments, in All Forms also, the Email button will be enabled only for MISC, INT, and NEC recipients.