You can sign up for a mailbox in the short my.com domain.

Do the following:

1. Launch the app and tap CREATE MY.COM MAILBOX.
2. To sign up for a mailbox if you're already using the app, go to the folder list and tap the "Plus" icon. On the screen that opens, tap CREATE MY.COM MAILBOX.
3. Add an avatar to make your messages more easily recognizable;
4. Enter the first and last name to be displayed when sending messages;
5. Create a unique mailbox name. The mailbox name must have at least 6 characters and no more than 32. Please note that you will not be able to change your mailbox name after your finish signing up.
6. Review the User Agreement and the Privacy Policy. If you agree to the terms and conditions, tap "Sign Up".
7. Enter your phone number and tap "Request code".

Please note that you can only sign up for one mailbox for each phone number, because your phone number will be used to receive one-time codes to sign in to your mailbox.

Within a minute an SMS message with a confirmation code will be sent to the indicated phone number.

8. Enter the code received in the appropriate field and tap "Confirm".

Congratulations! Now you have a mailbox in the my.com domain! Thanks for choosing us!