What is a custom email address domain
What is a custom domain email
iPhone 13 Pro, iOS 16
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Hi msshells,
A custom domain is basically something like apple.com Some people may have a custom domain name they already own and this can be integrated into Apple's iCloud email service so you can receive email sent to you at msshells@msshells.com if you wish. Otherwise you would get email at something like msshells@icloud.com
Hopefully these documents will explain more:
Use Custom Email Domain with iCloud Mail - Apple Support
How to purchase a new email domain to use with iCloud Mail - Apple Support