You don't have permission to sent to

Hi, When we book a room, the message "You don't have permission to sent to " is showing, and we got the undeliverable bounce back message if sending it. How to solve this issue? Need h...

office 365

VasilMichev
Mar 28, 2019
This is basically the "delivery restrictions" feature you can configure for any type of mailbox. Someone configured a list of people that are not allowed to send messages, or similarly, a list of people that are allowed and everyone else is blocked. You can confirm this via:

Get-Mailbox roomname | fl accept*,reject*,RequireSenderAuthenticationEnabled

VasilMichev

MVP

Mar 28, 2019

This is basically the "delivery restrictions" feature you can configure for any type of mailbox. Someone configured a list of people that are not allowed to send messages, or similarly, a list of people that are allowed and everyone else is blocked. You can confirm this via:

Get-Mailbox roomname | fl accept*,reject*,RequireSenderAuthenticationEnabled