Yes, there are 2 different possibilities.
Domain and email address exist already and are hosted by an external partner
Existing email address will be continued under the same host.
Domain name registered at onescreener.com
As soon as your domain name is registered, we can either open up a Gmail for Work account with your domain and/or redirect your mails to an existing email account. The work&time for redirecting an email address will be charged. Please contact our support for an estimation of cost: email@example.com