When setting up email forwarding in Office365, we may get a Microsoft 365 error stating that the Remote server returned 550 5.7.520 Access denied, Your organization does not allow external forwarding. By default, Microsoft 365 does not allow external forwarding, and the IT admin must enable it if needed. This post aims to guide you in enabling external port forwarding.
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)’
What is error code 550 5.7 520?
When you see an error message related to automatic forwarding, it could be because your outbound spam filter policy has blocked the action. Alternatively, your administrator may need to create a new custom outbound spam policy that allows for automatic external email forwarding and assigns it to your account.
Fix Remote server returned 550 5.7.520 Access denied
If the Microsoft 365 error states that the Remote server returned 550 5.7.520 Access denied, Your organization does not allow external forwarding, first, you need to go to Office365 Security Center, which is nothing but Microsoft Defender. Then navigate to Threat management > Policies and Rules or Policy > Anti-spam.
In the Anti-spam section, you can allow External Forwarding for individual or all users. Let us learn how to do the same.
Allow External Forwarding for Individual User
In case you want to allow a particular user of your organization to forward emails to recipients outside of your organization, follow the steps mentioned below.
- You need to click on +Create policy > Outbound.
- Now, you need to enter a name for this new policy that we are creating and then click on the Next button.
- Next up, you need to enter users and other information related to that user and click on Next.
- Change the Automatic forwarding rules setting from “Automatic – System-controlled” to “On – Forwarding is enabled” under Protection Settings options, and click Next.
- You need to review the rule and then click on Create after confirming everything.
This will do the job for you.
Read: How to automatically Forward Email in Outlook?
Allow External Forwarding for all users
If you want to allow all users in your organization to forward their email to external recipients outside your organization, follow these steps:
- First of all, you need to open the Anti-spam outbound policy (Default) from the Anti-spam policies page.
- Next up, you need to go to Edit Protection settings.
- You need to change the Automatic forwarding rules setting from “Automatic – System-controlled” to “On – Forwarding is enabled” and then click Save.
This will allow you to automate forwarding for all the users. Do keep in mind that this method is not usually recommended due to security reasons as it involves giving access to people who shouldn’t have access in the first place.
After enabling external forwarding, users in your organization or the desired user will be able to forward emails outside of your domain and your issue will be resolved.
Read: How to prevent forwarding of Meeting Invites in Outlook?
How do you fix Access denied, Your organization does not allow external forwarding?
If you get Access denied when trying to forward emails externally, you need to contact your admin and ask them to grant you the required privilege, as you currently don’t have permission to forward emails outside your domain. Your IT admin can either add you to an existing policy or create a new one for you if needed.
Also Read: How to stop email forwarding in Outlook.
