MailParser does not return error from MAILER-DAEMON

[nendic]

how to get the text of the message that the message has not been delivered, the text is not included in the body of the message
`Subject: Returned mail: see transcript for details
Auto-Submitted: auto-generated (failure)

This is a MIME-encapsulated message

--10K69CiJ009083.1611123052/www1.

The original message was received at Fri, 15 Jan 2021 07:23:35 +0200
from mx1. [ip]

----- The following addresses had permanent fatal errors -----
<@.>
(reason: 452 4.2.2 Over quota)

----- Transcript of session follows -----
... while talking to localhost:

DATA
<<< 452 4.2.2 Over quota
<@>... Deferred: 452 4.2.2 Over quota
<<< 503 5.5.1 No recipients
Message could not be delivered for 5 days
Message will be deleted from queue

--10K69CiJ009083.1611123052/www1.
Content-Type: message/delivery-status

Reporting-MTA: dns; www1
Arrival-Date: Fri, 15 Jan 2021 07:23:35 +0200
`

[bhargavgolla]

Have you identified how to extract the delivery-status content?