Source
Mail, domains & deliverability — found from sitemap — Proton for Business
Checked for Proton for Business on 5 Nov 2026
- Page
- https://proton.me/support/anti-spoofing-custom-domain
- Checked
- 5 Nov 2026, 14:03 UTC
- How we may use it
- Public page, crawling permitted
Technical details
- type
- page
- http status
- 200
- content hash
- sha256:3996f7c4cc9c8a96b89a2ec17b618248901dd4cafa617b415d6017ad158c6146
- permission
- robots_ok
- screenshot
- Screenshot on file (internal exhibit, not published)
Cited by
Facts read from this source
-
Spf support Report an error
“While not required, we strongly recommend that you set up an SPF record that includes Proton Mail.”
-
Dkim support Report an error
“Once your custom domain is verified, Proton Mail will generate the host names and values you will need for your domain’s DNS portal. It will then create the CNAME records necessary for automatic DKIM key rotation.”
-
Dkim key rotation Report an error
“Following current security best practices, we will generate a new 2048-bit key every six months and use it to sign your emails.”
-
Dmarc support Report an error
“Copy the DMARC TXT host name and value string and add it to your domain in your registrar’s domain management console.”
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Custom domain email Report an error
“We strongly recommend that everyone who uses a custom domain with Proton Mail set up SPF, DKIM, and DMARC to ensure your emails are properly delivered.”
-
Entity address Report an error
“Proton AG Route de la Galaise 32 1228 Plan-les-Ouates Geneva, Switzerland”
Scores citing this record
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