> If a Google account invites you, the invite still lands in your old calendar for example - even if that's not where your domains MX records point. Same thing

> If a Google account invites you, the invite still lands in your old calendar for example - even if that's not where your domains MX records point. Same thing happens with iCloud. Let’s say your iCloud account is ‘bob@example.com’ but that email (and preferred calendar) is hosted elsewhere. If someone using iCloud calendar sends bob@example.com a calendar invite, it will go you your iCloud calendar whether or not you want it to.