Allow Forwarding of emails in Office 365

November 30, 2020 Dellenny

Are you trying to forward emails you get in your office 365 mailbox to other external email?

If you are trying to do so and you get this message in your email

“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)'”

This means you need to update policy to allow the external email forwarding to do so follow those steps:

go to admin center and press on Security

Then press in Policy under Threat management in the left tree

Then press on Anti-spam

Then edit the outbound spam filter policy

You can use outbound spam filter policies to control automatic forwarding to external recipients. Three settings are available:

Automatic: Automatic external forwarding is blocked. Internal automatic forwarding of messages will continue to work. This is the default setting.
On: Automatic external forwarding is allowed and not restricted.
Off: Automatic external forwarding is disabled and will result in a non-delivery report (also known as an NDR or bounce message) to the sender.

Then set Automatic Forwarding to “On-forwarding is enabled”

and press save and close this popup window

Now you will not get the error message while forwarding and your emails will be forwarded.