I am running the following powershell command to delete an email from multiple mailboxes. I am being prompted to confirm deleting email from mailboxes. The first mailbox is not one that showed in the search I ran using the -loglevel switch. I am guessing this is a prompt to confirm "IF" the search is matched for this mailbox confirm the delete but would like confirmation prior to confirming for that one and all of the mailboxes after.
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online.
The email signature template has been downloaded from: