Subject: Undelivered Mail Returned to Sender
From: [email-masked] (Mail Delivery System)
To: [email-masked]
Date: Mon, 20 Mar 2023 11:04:52 +0100 (CET)

This is the mail system at host mx4.cloud4u.solutions.

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

<[email-masked]>: message size 57118086 exceeds size limit 41943040 of server
    mail3.bgv.de[212.86.205.251]