365 whitelist from being quarantined as malware

[PS83]

Greetings. I am looking for some assistance with allowing a few specific external senders as their emails keep getting blocked in quarantine as “Malware” and these senders are already allowed in the anti-spam policy.

When I release the email to the intended recipient, I do report the message to MS for a false positive and wait for 30 days, but it is not effective. Just today, I had to send email from one sender three times.

I have tried creating a transport rule, but the only option there is to skip spam filtering, but there is nothing to skip malware detection.

How can I allow a sender so that no emails from them get blocked in quarantine due to malware?

[#2]

I opened a case with 365 support and they confirmed there is no way to do this. 

[#3]

@PS83 

How about this?

https://learn.microsoft.com/en-us/defender-office-365/create-safe-sender-lists-in-office-365

[#4]

That only works for spam/phishing emails, not malware as mentioned in the blue box in that link

"Important

Messages that are identified as malware* or high confidence phishing are always quarantined, regardless of the safe sender list option that you use. For more information, see Secure by default in Office 365."