Subject: Delivery Status Notification (Failure)
From: "Mail Delivery System" <[email-masked]>
To: [email-masked]
Date: 29 Oct 2022 01:19:30 +0200

The following message to <[email-masked]> was undeliverable.
The reason for the problem:
5.1.0 - Unknown address error [email-masked] unknown user account'

Subject: Hallo
From: Elena Mihailenko <[email-masked]>
Date: Sat, 29 Oct 2022 02:18:44 +0300