Update your default sending address on mobile

If you own multiple ProtonMail or custom domain addresses, you can change the default address on your mobile device. 

Your default address is the email address you use to send emails when you open the message composer, although you can change this manually. 

Note: If you respond to an email sent to one of your non-default email addresses, your reply will be from that address that the email was sent to, not your default address.

1. Tap the Menu icon (≡) at the top of the screen 

2. Go to Settings

Go to Settings
  1. Select Account Settings
Account settings
  1. Tap Default in the Addresses section
Address section
  1. Select the address you would like to use as your default address from the list.
Select address

Note: Your default ProtonMail email address will sync automatically across all of your devices.

Learn how to update your default email address on the ProtonMail web app

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About The Author

Lydia is a lifelong book-lover and her professional experience spans several industries, including higher education and editorial writing. She's excited to write for Proton and champion privacy as a fundamental right for everyone.
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5 comments

  1. Jenny Lynch
    January 12, 2018
    at 2:37 AM

    When I signed up I got a @protonmail.com email. However I have now uploaded me domain and have created an email associated with my domain name. I would like to delete my @protonmail.com email and make my domain email my default. I cant see how it is possible. Please can you direct me.

    Best wishes

    Jenny

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  2. ProtonMail Support
    February 7, 2018
    at 1:52 PM

    You cannot remove or disable your ProtonMail address. You can change your default sending address as described in this article in the mobile apps, or by going to Settings > Name/Signature in the web client.

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  3. Kylo Ginsberg
    January 13, 2018
    at 3:26 PM

    I’ve done this and it works for messages I compose, but when I reply to messages it always uses the non-default (xxx@protonmail.com) rather than the default address (kylo@kylo.net). What am I missing?

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  4. ProtonMail Support
    February 6, 2018
    at 5:06 PM

    The address populating the From field when replying should be the same as the one that has received the message. Please contact our support team at contact@protonmail.ch, via the report bug button or using the support form at https://protonmail.com/support-form if that is not the case.

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  5. Kevin
    November 24, 2020
    at 3:29 PM

    Hi Kylo, I had the same problem. Through the Protonmail Support I discovered that my MX-settings were not set up correctly in my webhost. The only MX records on the host should be “mail.protonmail.ch” and “mailsec.protonmail.ch” with the priority 10 and 20 respectively in order. This helped me get it working within minutes :)

    Hope this helps!

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