Reporting-MTA: dns; forward400d.mail.yandex.net
X-Yandex-Queue-ID: C3C6280A8E
X-Yandex-Sender: rfc822; operasyon@kaliruturizm.com.tr
Arrival-Date: Fri, 29 May 2026 11:48:15 +0300 (MSK)

Final-Recipient: rfc822; ceren.kalaycioglu@ist-pay.com
Original-Recipient: rfc822;ceren.kalaycioglu@ist-pay.com
Action: failed
Status: 5.4.1
Remote-MTA: dns; istpay-com0i.mail.protection.outlook.com
Diagnostic-Code: smtp; 550 5.4.1 Recipient address rejected: Access denied. For
    more information see https://aka.ms/EXOSmtpErrors
    [AMS0EPF000001AC.eurprd05.prod.outlook.com 2026-05-29T08:48:16.525Z
    08DEBCC94BD1974F]