

You can create Masked Email addresses at the domain, or at one custom domain on the account. Masked Email addresses are formatted as random words plus a random number, e.g. This description will be displayed on messages sent to this address in the Fastmail interface. Add a brief description, such as the service or domain the address was created for.You can create Masked Email addresses in the Fastmail web interface by following these steps: Composing new messages from a Masked Email address.Messages sent to and from Masked Email addresses.Using a custom domain with Masked Email.Creating a Masked Email address in Fastmail.

Masked Email addresses also make it easy to identify which service shared or leaked the address. If a Masked Email address starts receiving unwanted mail, you can simply disable that address.

Instead of sharing your real email address, keep it private and protect yourself from data breaches and spam by creating a new Masked Email for every service. Masked Email addresses are especially useful when you need to sign up with new services online. A Masked Email address is a unique, automatically generated email address that can be used in place of your real email address.
