No, each new account must have its own unique email address.
This is essential for maintaining clear reporting, distinct branding, and handling payments through separate bank accounts.
For partners overseeing different domains, detailed guidance can be found in our article on Can I use multiple websites with my partner account?
To make things easier, partners can still combine email notifications into one primary address when required. Yet, for smoother account management, it's recommended to use separate email addresses for each account.