The discover bank doesn't even accept an email at indian tld like hello@example.in The reason given by support was that .in email will work only in India & disc

The discover bank doesn't even accept an email at indian tld like hello@example.in The reason given by support was that .in email will work only in India & discover operates only in USA. I tried to reason that people move from India to USA all the time & keep the same email accounts.