Please add a setting in the Power BI Subscription pane to choose the sender identity. With the recent update the platform forces emails to route through the subscription owner's personal Exchange On...
I've seen that Microsoft now has a post on this and while it is good they explain how it works now, it still adds additional unnecessary workload on everyone who needs to manage subscriptions.
Prepare for changes to Power BI subscription email delivery - Power BI | Microsoft Learn
Please vote for the post and hopefully they do something about this
