Resolved: Microsoft Outlook Blocking All Email from @tutanota.com Domain as Spam.
tuta.com/blog/outlook-falsely-marks-tutanota-emails-as-junk/
This is just another example of how much power Microsoft has. But sometimes I'm not sure they really know what they're doing.
Anyway, dealing with Windows email users (businesses and individuals) can be a nightmare.
If you plan on u...
Microsoft and the oddities of accepting emails
Microsoft and the oddities of accepting emails
Microsoft has had some problems with its Exchange services this year - https://blog.mxtoolbox.com/2022/01/. Maybe it has nothing to do with the problem of one of our customers, but Microsoft has very strange methods when it comes to accepting emails...