Emails never arrive in iCloud Account
I have many emails that were sent to my email account h****.l*****@me.com, and these emails never show up anywhere in my account, not in the regular inbox, nor in the spam folder.
I can try to simulate this by e.g. resetting my account on Doodle.com. Such an email will never appear anywhere. But there are other emails that successfully appear. There are also typical spam emails that show up in the spam folder.
I do not have any rules maintained. What is happening here?