Subject: [Postmaster] Email Delivery Failure

From: "Notifications-Mimecast" <[email-masked]>
Date: Thu, 15 Jan 2026 15:41:58 +0000

This is a delivery failure notification message indicating that
an email you addressed to email address :
-- [email-masked]

With subject :
-- Season’s greetings from Scandinavia!

could not be delivered. The problem appears to be :
-- Internal configuration error

Additional information follows :
-- No valid route for inbound email

This condition occurred after 7 attempt(s) to deliver over
a period of 2 hour(s).

If you sent the email to multiple recipients, you will receive one
of these messages for each one which failed delivery,  otherwise
they have been sent.