Hide My Email is a service of iOS 15 and iPadOS 15 that lets you keep your personal email address private whether you’re creating a new account with an app, signing up for a newsletter online, or sending an email to someone you don’t know well.
There are two ways to use Hide My Email: With Sign in with Apple, which lets you create an account using a randomly-generated email address directly within a supported third-party app or website. Or with iCloud+, which lets you generate as many random email addresses as you need on your device, in Safari, or on iCloud.com, which you can use for whatever site or purpose you choose.
If you create an account with an app or visit a website that supports Sign in with Apple, you can choose to share your email address, if you’re familiar with the app or website, or hide your email address, if you’d prefer more privacy. If you choose the Hide my Email option, only the app or website you created the account with can use this random email address to communicate with you. Learn more about Sign in with Apple by clicking here.
With an iCloud+ subscription, you can generate unique, random addresses from your iPhone, iPad, or iPod touch with iOS 15 or iPadOS 15 or later in any email field in Safari. You can also generate email addresses on-demand in the Settings app or on iCloud.com. Learn more about iCloud+ by clicking here.
(This how-to is based on my experiences and info on Apple’s support pages.)
