johnpd Posted November 6, 2020 Posted November 6, 2020 I have access to quarantine folder on https://protection.office.com/quarantine and it’s gone mental - technical term. Amazon emails , government emails all listed as SCL9 ! I checked another office 365 tenant and it too is doing it on a small site with no mail rules at all. If I test an email to myself from a personal account and put our domain url in the message body - Boom - quarantine. Our url is “snfederation.co.Uk”. If you get chance can you please test it against your tenants for high confidence phish (SCL:9) in message headers please. Luckily we are migrating away from this domain but it’s affecting message body RE trails where that url is mentioned so it all gets banned. Thanks John
johnpd Posted November 13, 2020 Author Posted November 13, 2020 Fixed it by wiping the website - windows smart screen was detecting malicious files on the website which in turn rated mail from the domain as High confidence phishing SCL 9.
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