[xmlio-discuss] Delivery Status Notification

[<mai...@vi...>]

This is the mail system at host know-smtprelay-2-imp. I am sorry to have to inform you that your message could not be delivered to one or more recipients. The message is attached below. The remote mail system said: 5.1.1 <ve...@ro...>: Recipient address rejected: User unknown in virtual mailbox table