This is an automatically generated Delivery Status Notification.
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Delivery to the following recipients has been delayed.
The reason for the problem: 4.1.0 - Unknown address error 451-'4.7.650 The mail server [134.130.5.45] 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=11BCD8298F674955] [DU6PEPF0000952A.eurprd02.prod.outlook.com 2026-02-24T13:53:12.720Z 08DE6C14D4C9E695]'
sprechstunden@lists.fsmpi.rwth-aachen.de