1 please let users choose whether they want to see group emails under 1 email or whether they want to see individual emails. Because it's a mess to look and select the specific message on the phone app.

2It's hard to respond to individuals who are part of a group receiving emails on a specific subject. You need to allow users to respond to the single individual or group without having to remove the other individual email address who have read the previous messages which are part of the thread.
Thanks.
A