Hide-my-email aliases help protect your identity

An email alias is a randomly generated email address that functions like a forwarding email address: All emails sent to an alias will be forwarded to your inbox. This lets you sign up for online services without sharing your real email address. If you want to reply to an email that has been forwarded to your inbox from an email alias, just hit reply, and your response will automatically be sent from your alias, keeping your real email address hidden.

Adding a plus sign (+) and text to your real email address allows you to create unlimited email aliases. This is called subaddressing and can be used with Proton Mail and many other popular email services. However, this method of creating an email alias has some drawbacks:

• Some websites do not allow signups with email addresses that contain a plus sign
• Email subaddressing doesn’t protect your privacy. Anyone can remove the plus sign and the following text and get your real email address. For example, if your subaddress appears in a data breach, your real email address is also exposed. There are various ways you can check if your email has been leaked online.
• By removing the plus sign and the following text from your subaddress, advertisers can easily link your subaddresses together to track your online activity.

Proton Pass aliases are permanent as opposed to the temporary email addresses created with other email services. Your hide-my-email aliases can be used as often as you choose until you choose to switch them off or delete them. Proton Pass also doesn't store your emails itself, instead it instantly forwards your emails to your inbox.

Proton Pass uses SimpleLogin by Proton(new window), which is an email alias service that provides advanced email forwarding. You can also manage your aliases in SimpleLogin itself.