Jelenség: A levél visszapattan a feladónak, alábbihoz hasonló tartalommal:


"Delivery has failed to these recipients or groups:

cimzett@sajatdomain.hu
Your message wasn't delivered because the recipient's email provider rejected it.

Diagnostic information for administrators:

Generating server: VI1PR03MB4277.eurprd02.prod.outlook.com

cimzett@sajatdomain.hu
Remote Server returned '550 5.7.520 Access denied, Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)'

Original message headers:"


Megoldás:

Indítsunk admin mode-ban egy PowerShellt, majd:


Install-Module ExchangeOnlineManagement
Import-Module ExchangeOnlineManagement
Connect-ExchangeOnline
Set-HostedOutboundSpamFilterPolicy -Identity "Default" -AutoForwardingMode On