yourname(@)yourdomain.com is custom email address and much more important for branding or maketing aspects. In a single glance, this is what it means to your customers, clients, and/or acquaintances:
Get an email account that is protected against viruses and spam.
Create email an address on your very own domain. You can even create as many email accounts as you like, why not give your entire family or your associates their own personal and permanent email address?
Custom email address = you’ve created a trusted real business
Will help you with DNS configurations or anything else
I can also configure it with Send Grid, mail gun. Feel free to contact me if you want to setup or get support for any issue.