Filter Accounts in "All Inboxes"

Hi all,
I would like to filter each account in “All Inboxes”.
Currently it is possible to filter:

  • To Read
  • with Attachment
  • Signed
  • With Tracking Pixel
  • with label
  • etc etc

I would like to have the possibility to filter “Accounts” (like you can do now with labels), so I can include/exclude from the “All Inboxes” view the accounts that - from time to time - are not useful for the job I am doing.
Thank you