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Whitelist domain in Office 365 to bypass SPAM filtering
How to whitelist a domain in Office 365 and bypass spam filter? An issue that a lot of companies are facing is SPAM. We all have heard about it. However, sometimes you get a request to bypass specific domains. This article will teach you how to whitelist a domain in Office 365 to bypass SPAM filtering.
Allow domain to bypass SPAM filtering in Microsoft Office 365
To whitelist a domain in Office 365, follow these steps:
- Sign in to Microsoft 365 Defender portal
- Click on Policies & rules in the menu
- Choose Threat policies in the list
- Select Anti-spam inbound policy (Default)
- Scroll down and click on Edit allowed and blocked senders and domains
- There are two options to bypass SPAM filtering in Office 365:
- Senders: Fill in the sender email address
- Domains: Fill in the sender domain
In our example, we will click on Allow domains.
- Fill in the domain that you want to allow (whitelist)
- Confirm the entered domain
- Click Add domains
- Click on Save
The domain is added to the Office 365 spam filter allow list. From now on, all emails with that domain will not be marked as SPAM.
Read more: Verify DNS SRV records for Office 365 »
You learned how to whitelist a domain in Office 365 to bypass SPAM filtering. First, sign in to Office 365. After that, add the domain to the allowed domain section. From now on the domain will not be flagged as SPAM in Exchange Online Protection (EOP).
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This Post Has 2 Comments
that is unfortunately not the best practice according to Microsoft. please google and you will find MS article that says transport rules with DKIM check is best practice.
I searched a lot and I finally found your post thanks