Short domain ( email addresses

2 mins
Addresses and identities

It can be inconvenient to spell out your or email address when sharing it with others. We’ve created short domain email addresses ( to simplify this process.

All Proton Mail(new window) users, except those added as part of an organization(new window), can activate a separate email address at no extra cost.

For example, if your username is john, you can activate to complement your existing or address. All users can receive emails at their email address, but sending emails from a email address requires a paid account. 

When you activate your address, it doesn’t count toward your account limit for creating multiple addresses. However, paid users can also create additional addresses using the domain, which will count toward your limit. 

Note that the short domain address ( linked to your username cannot be disabled or deleted.

Activating your address

To activate your address, log in to your Proton Account at window) and click Settings → Go to settings → Proton Mail → Messages and composing → Short domain → Activate 

Activate short domain

Sending a email with a paid plan

1. To send an email from your address, click the New message button to open your email composer.

2. Select your address from the dropdown options in the From field. 

Sending a email with a Free plan

If you have a Free plan, you can receive emails at your address, but your replies will be sent from one of your other free personal addresses by default (,, or

To send messages from your address, you’ll need to upgrade to a paid plan.

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