Detect Mailgun

Email

Mailgun is a transactional email API service for developers.

01

Websites using Mailgun

130 hostnames in the PluginView corpus for this technology.

HostnameLast seen
imgur.com8/3/2026
uber.com8/3/2026
theatlantic.com8/3/2026
unsplash.com8/3/2026
substack.com8/3/2026

Whole list · $11.70 (130 × $0.09)

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02

What a detection means

Establishes
One or more public signals on the scanned page matched a known Mailgun signature at the time of the scan.
Does not establish
A sitewide install of Mailgun, an active vendor contract, exclusive use, or that Mailgun is still in place today.
03

How to check a site for Mailgun

  1. 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Mailgun signals.
  2. 2. PluginView reads only public responses and scores them against proprietary Mailgun fingerprints. Rule bodies and identifiers are not published.
  3. 3. Review the confidence score and text explanation for Mailgun on the results page.
04

FAQ: detecting Mailgun

Can PluginView detect Mailgun without logging in?
Yes. PluginView only reads publicly accessible responses when checking for Mailgun. It does not bypass authentication or paywalls.
What category is Mailgun?
Mailgun is classified under Email in the PluginView directory.
Does PluginView publish Mailgun 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.

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