Reporting-MTA: dns; d1282739
X-Postfix-Queue-ID: C56F4600923
X-Postfix-Sender: rfc822; xxxxxxxxxxxxxxxxxxxxxxx@xxxxxx.xxx.xx
Arrival-Date: Wed,  3 Jun 2026 15:12:16 +0000 (UTC)

Final-Recipient: rfc822; xxxx@xxxx.xxx.xx
Original-Recipient: rfc822;xxxx@xxxx.xxx.xx
Action: failed
Status: 5.5.2
Remote-MTA: dns; mx.arch.gov.ua
Diagnostic-Code: smtp; 504 5.5.2 <d1282739>: Helo command rejected: need
    fully-qualified hostname