many e-mail administrators in mail-domain

Hi, I have a very specific and non-standard need: I need to have many additional "e-mail administrators" managing its own small groups of e-mails - all in one mail-domain. For example: administrator 1: can manage passwords of e-mail accounts: email1@domain email5@domain email235@domain and administrator 2: can manage passwords of e-mail accounts: email6@domain email4@domain email123@domain ... Do you know any plugin to do this? Probably in native cPanel there is no possibility set this "very specific" need. But maybe there is any plugin can do this ? Thanks for help. I think this is correct part of forum to ask about such thing? :wq