Sent from my iPhone Begin forwarded message: > From: Mail Delivery Subsystem > Date: August 23, 2022 at 10:41:36 AM EDT > To: heitmanndenise@gmail.com > Subject: Delivery Status Notification (Failure) > >  > > Address not found > Your message wasn't delivered to class-of-82@blu.org because the address couldn't be found, or is unable to receive mail. > The response from the remote server was: > 550 5.1.1 : Recipient address rejected: User unknown in local recipient table >