[Sprechstunden] Delivery Status Notification (Delay)

This is an automatically generated Delivery Status Notification.

THIS IS A WARNING MESSAGE ONLY.

YOU DO NOT NEED TO RESEND YOUR MESSAGE.

Delivery to the following recipients has been delayed.

roest1012@outlook.com

The reason for the problem: 4.1.0 - Unknown address error 451-'4.7.650 The mail server [134.130.5.49] has been temporarily rate limited due to IP reputation. For e-mail delivery information, see https://aka.ms/postmaster (S775) [Name=Protocol Filter Agent][AGT=PFA][MxId=11BCE71178852205] [CO1PEPF00012E5F.namprd05.prod.outlook.com 2026-02-24T11:18:27.661Z 08DE7388BC4F61C5]'