Mail delivery failed: returning message to sender （2024.03.19）
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
gref.sarah@vikingline.com
host vikingline-com.mail.protection.outlook.com [52.101.68.12]
SMTP error from remote mail server after RCPT TO:
550 5.4.1 Recipient address rejected: Access denied. [DB1PEPF000509F6.eurprd02.prod.outlook.com 2024-03-19T06:56:30.555Z 08DC462E1740C740]
