How to Change the Default Email Address for Public Folders Using Power Shell
PowerShell:
- Connect-exchangeonline
- Set-Mailbox -Identity email -PrimarySmtpAddress emailaddress you want
- Set-MailPublicFolder -Identity \FCG -EmailAddressPolicyEnabled $False
Then go back to Admin center and try making the change, should save with the new address
To Check
- Get-PublicFolderClientPermission
Make sure the anonymous is in the list with createitems access rights
Kon Belieu