How to check the sender of mail we have received

BACKGROUND: If we receive an item of mail for a customer, the mail department will notify them via email. In the case of Registered Office/Service address, this is usually scanned and attached to the email as a PDF. All other Business Address mail will be physically posted to the customer, unless they opted for the Digital Business Address service. A customer may also contact us if we have received mail for them when they do not have the relevant address service with us and ask who the sender is. Will you read my mail? Our state-of-the-art letter opening and scanning equipment means we will not see the contents of the mail being forwarded to you, unless you ask for us to look at it whilst querying it. All mail is sent to you automatically by our system and our new optical recognition software. All hard-copy mail will then be securely shredded 7 days after we receive it.