You can achieve this with power automate like:
Use Scheduled flow
Retrieve SharePoint document library items for the current day (maybe using Send HTTP request to SharePoint action & filter query)
Check the department column in loop
Send consolidated email as per your requirements using outlook/mail connector
This will require some complex logic for ...
As per this thread,
Try adding below code at the end in body (HTML editor) of send an email action:
<div style="display: none;">
OR if above code is not working for you, try adding this code:
As per the Send an email (V2) action documentation,
From (Send as) is of type email & has description:
Email address to send mail from (requires "Send as" or "Send on behalf of" permission for that mailbox). For more info on granting permissions please refer https://docs.microsoft.com/office365/admin/manage/send-email-as-distribution-...
Not sure if this would completely answer your question, as I don't know which fields are being updated in the SPList.
Trigger: When SPList is updated
Send Email(?) with field: Modified By.
That is, if you want to received multiple emails every time the list gets updated.
PS There are other ways to do this with the Multi-line Text Column, ...