
However, there is a workaround to count these messages. Even worse, the Outlook element properties corresponding to the sent message do not contain any indication about the delegator. Unfortunately, the information we extract from the Exchange on-premises tracking logs is no longer retrievable from Exchange Online and all messages sent by a delegate are therefore considered as having been sent by him.

One of the exclusive features of Promodag Reports since version 10 was the possibility to display separately the messages sent " on behalf of " a mailbox with the name of the mailbox.
