iCloud calendar invitation

Hallo,

i have problem. iCloud calendar, new event, invitation. Me kolega or wife new event start and invitation sends. She sends invitation on me email (registration AppleID) ????@email.cz and invitation not come. Sends on icloud email ?????@me.com or ????@icloud.com all works. Previously ????@email.cz works also, now come just email with annulment event.

Web iCloud it OK:

iOS iPhone iCloud it ON also, but come just email notification annulment:

but in iOS app Calendar not come. 😟

Pleas help me, thanks.

TAU