How to route or send out an email from M365 group which is with name@domain.com to xxx1232mail.asana.com as There is no way from M365 admin or exchange online side as well?

How to route or send out an email from M365 group which is with name@domain.com to xxx1232mail.asana.com as There is no way from M365 admin or exchange online side as well?

How to route or send out an email from M365 group which is with name@domain.com to xxx1232@mail.asana.com as There is no way from M365 admin or exchange online side as well?