Reporting-MTA: dns; dostup.org.ua
X-Postfix-Queue-ID: E4FE43140A7C
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xxx.xx
Arrival-Date: Wed, 28 Oct 2026 22:48:09 +0200 (EET)

Final-Recipient: rfc822; xxxxxxxxxxxxxxxxx@xxxx.xxx.xx
Original-Recipient: rfc822;xxxxxxxxxxxxxxxxx@xxxx.xxx.xx
Action: failed
Status: 5.1.1
Remote-MTA: dns; fml.kmda.gov.ua
Diagnostic-Code: smtp; 550 5.1.1 <xxxxxxxxxxxxxxxxx@xxxx.xxx.xx>... User
    unknown