A newly disclosed privacy vulnerability in Apple’s Hide My Email feature can reportedly allow an attacker to uncover the real email address behind a generated alias. According to the researcher who found the bug, it was responsibly disclosed to Apple more than a year ago but remains unpatched, and independent testing has verified the issue.
I use DuckDuckGo’s email hiding service. I have had sites reject signing up with a @duck.com email address. So services will definitely move to block Apple’s new subdomain only for aliased email addresses.
Same. Duck.com is blocked for a lot of sites. Many block it