How to connect multiple domains to Yandex Connect?

Question

Yandex.Mail for domain

I have 3 test sites: euconsult, egc, prodinfo.
Now, I want to create a corporate mail for each site.
I created mail on Yandex, connected to Yandex Connect, connected domains.

One has not yet been confirmed.
I need to create mail [email protected], [email protected], [email protected] ​​for each site.
I have already created a mail for an employee for euconsult, set it up on the site and the forms work.
Now it's time to set up mail for the second site.
The connection menu displays euconsult, but when I want to add the prodinfo organization to the menu, it says to me that such a domain already exists.
What have I done wrong? Why can't I switch to the prodinfo domain?
This is my first time setting up corporate mail.

Answer 1

As I understand it, all subsequent domains after the first one will be like aliases. Exit to register three separate Yandex Connect. The mail business is also history.