Subject: Undelivered Mail Returned to Sender
From: Mail Delivery System
Date: Thu, 30 Mar 2023 09:15:19 +0200 (CEST)
This is the mail system at host

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<>: host[] said: 550 Sorry,
    your spam score very high (240) (in reply to DATA command)