After change primary email, could not more login, email verification never received

After change primary email, could not more login, email verification never received

Hello,
I changed my primary email address.
Systems says, it will send me a verification mail.
But it never arrives.
resend it 10 times, always checked my Spam folder.

Then I typed in another email address form a different provider.
Systems says, it will send me a verification mail.
Same here - it never arrives.
resend it 10 times, always checked my Spam folder.

I tried to reset my password
Systems says, it will send me a verification mail.
Same here - it never arrives.
resend it 10 times, always checked my Spam folder.

Any Ideas how to login?

Currently I am logged in in Zoho as a differnt user to post this Question.

Greetings