Domain setup
- Support
- Proton Mail
- Custom email domain
- Domain setup
Anti-spoofing for custom domains (SPF, DKIM, and DMARC)
Learn how to set up anti-spoofing, SPF, DKIM, and DMARC on your custom domain with Proton Mail for extra security.
- Support
- Proton Mail
- Custom email domain
- Domain setup
What is a catch-all email address?
A Catch-all email address provides Proton Mail custom domain users the option to receive all mail sent to their domain.
- Support
- Proton Mail
- Custom email domain
- Domain setup
Problems with configuring CNAME records
This Proton Mail guide provides assistance if you have configured CNAME records for your custom domain but the DKIM check fails.
- Support
- Proton Mail
- Custom email domain
- Domain setup
How to add a custom domain through iOS/Android app
An option to add custom domains through the mobile apps is still under construction