Use iCloud Mail on iCloud.com
With Mail on iCloud.com, you can send and receive email from your iCloud Mail account using a web browser. If you have iCloud+, you can also send and receive email from a custom email domain (not available in all countries or regions).
Before you can use Mail on iCloud.com, you need to set up an iCloud Mail address. See Create a primary email address for iCloud Mail. If you want to import mail from a previous email account, see Import emails from another account into iCloud Mail.
Learn how to do any of the following in Mail on iCloud.com on a phone:
To access iCloud Mail on other devices, see Set up iCloud Mail on all your devices.
Note: If you don’t see Mail on iCloud.com, your account is limited to iCloud web-only features. See Get more iCloud features.