Reporting-MTA: dns; postback17a.mail.yandex.net
X-Yandex-Queue-ID: 85501C0073
X-Yandex-Sender: rfc822; operasyon@kaliruturizm.com.tr
Arrival-Date: Fri, 29 May 2026 11:50:29 +0300 (MSK)

Final-Recipient: rfc822; tolga@ejderturizm.com.tr
Original-Recipient: rfc822;tolga@ejderturizm.com.tr
Action: failed
Status: 5.1.1
Remote-MTA: dns; notsolitesrv.mail.yandex.net
Diagnostic-Code: smtp; 554 5.1.1 Unknown user; YDEx4tYNCUet-g2gE0M8v; user not
    found

Help: Please visit https://yandex.ru/support/mail-new/wizard/zout_send/not-got-report-yes-other/no-such-user.html