An email address that looks professional is more likely to be trusted. Using your custom domain in the form of YourName@YourDomain.com will add credibility to your emails.
Every website plan includes a specified number of email accounts. If you need more than is available on your plan, let us know and we can add as many as you want for an additional fee.
We use FastMail for all our clients.
They include powerful features and security that we love!