Tag Archive for: Directory Based Edge Blocking

Could Office 365 Directory Based Edge Blocking be causing 550 5.4.1 Recipient address rejected: Access denied NDR’s when using Mail-enabled Public Folders?

Security

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October 29, 2020

https://www.priasoft.com/wp-content/uploads/2022/12/Edge_blocking.jpg 965 860 Priasoft Editorial Team /wp-content/uploads/2016/01/Pria_email_logo.png Priasoft Editorial Team2020-10-29 16:25:252026-04-23 13:19:25Could Office 365 Directory Based Edge Blocking be causing 550 5.4.1 Recipient address rejected: Access denied NDR’s when using Mail-enabled Public Folders?