Detect Proton Mail
Proton Mail is the world’s largest secure email service with over 70 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.
01
Websites using Proton Mail
17 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| reddit.com | 8/3/2026 |
| shopify.com | 8/3/2026 |
| hotjar.com | 8/3/2026 |
| fullstory.com | 8/3/2026 |
| gab.com | 8/3/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Proton Mail signature at the time of the scan.
- Does not establish
- A sitewide install of Proton Mail, an active vendor contract, exclusive use, or that Proton Mail is still in place today.
03
How to check a site for Proton Mail
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Proton Mail signals.
- 2. PluginView reads only public responses and scores them against proprietary Proton Mail fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Proton Mail on the results page.
04
FAQ: detecting Proton Mail
- Can PluginView detect Proton Mail without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Proton Mail. It does not bypass authentication or paywalls.
- What category is Proton Mail?
- Proton Mail is classified under Webmail in the PluginView directory.
- Does PluginView publish Proton Mail fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.
