Can PluginView detect Zimbra without logging in?

Yes. PluginView only reads publicly accessible responses when checking for Zimbra — typically cookies. It does not bypass authentication or paywalls.

What category is Zimbra?

Zimbra is classified under Webmail in the PluginView directory.

How many fingerprint rules cover Zimbra?

This reference currently tracks 1 fingerprint rule across cookies. Individual rule bodies are proprietary and are not published.

What public signals suggest a site uses Zimbra?

Illustrative public indicators for Zimbra include ZM_TEST: true. A live scan may match additional proprietary rules beyond these examples.

Detect Zimbra

Webmail

Zimbra is a provider of open-source email and collaboration software, offering solutions for email, calendar, contacts, and collaboration for both individual and enterprise use.

Detection looks at cookies across 1 fingerprint rules among the site's public responses.

Websites using Zimbra

Loading website list…

Signal classes

PluginView evaluates public page signals in these classes when identifying Zimbra. Individual fingerprint rule bodies are proprietary and are not published.

Example public indicators for Zimbra

Illustrative indicators derived from public catalog metadata for Zimbra. A live scan may match additional proprietary rules beyond these examples.

ZM_TEST: true

What a detection means

Establishes: One or more public signals on the scanned page matched a known Zimbra signature (1 rules) at the time of the scan.
Does not establish: A sitewide install of Zimbra, an active vendor contract, exclusive use, or that Zimbra is still in place today.

How to check a site for Zimbra

1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Zimbra signals.
2. PluginView reads only public responses (cookies) and scores them against the Zimbra signature set (1 rules).
3. Review the confidence score and text explanation for Zimbra on the results page.

Commonly implies

A confirmed Zimbra match also implies these technologies are present.

Java

FAQ: detecting Zimbra

Can PluginView detect Zimbra without logging in?: Yes. PluginView only reads publicly accessible responses when checking for Zimbra — typically cookies. It does not bypass authentication or paywalls.
What category is Zimbra?: Zimbra is classified under Webmail in the PluginView directory.
How many fingerprint rules cover Zimbra?: This reference currently tracks 1 fingerprint rule across cookies. Individual rule bodies are proprietary and are not published.
What public signals suggest a site uses Zimbra?: Illustrative public indicators for Zimbra include ZM_TEST: true. A live scan may match additional proprietary rules beyond these examples.