You can run into this on any service. Colleagues on Office365 got mail filtered by spam. There are false positives on every service. If I get an explanation fr

You can run into this on any service. Colleagues on Office365 got mail filtered by spam. There are false positives on every service. If I get an explanation from the server I will fix it. I get dmarc reports and I make sure all pass. That's all I can do.