Thank you for reaching out.
Depending on the use case you can register your email domain with WorkMail easily and update the DNS. If the domain is registered with WorkMail hence, go ahead to migrate emails to WorkMail.
You can migrate to Amazon WorkMail from Microsoft Exchange, Microsoft Office 365, G Suite Basic (formerly Google Apps for Work), and other platforms by working with one of our partners. For more information about our partners, see Amazon WorkMail Features.
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