Mailtrack® – Email Tracker for Gmail

3,000,000 users Rated 4.42 from 11,803 ratings Last updated 23 Sep 2026

By Mailsuite Live in the Chrome Web Store ndnaehgpjlnokgebbaldlmgkapkpjkkb Last checked 27 Sep 2026, 06:04 UTC

The listing

What the Chrome Web Store shows, as of the last check

The original Mailtrack®: free, unlimited email tracking for Gmail. Trusted by millions, GDPR-compliant and Google-audited.Summary from the listing

Developer: Mailsuite
Trader status: Declared a trader under EU law
Category: Productivity › Communication
First published: 13 Sep 2013
Last updated: 23 Sep 2026
Version: 12.95.0
Size: 3.65 MiB
Minimum Chrome: 88
Languages: 54 languages
Deutsch, English, English (United Kingdom), English (United States), Filipino, Indonesia, Kiswahili, Melayu, Nederlands, Tiếng Việt, Türkçe, català, dansk, eesti, español, español (Latinoamérica), français, hrvatski, italiano, latviešu, lietuvių, magyar, norsk, polski, português (Brasil), português (Portugal), română, slovenčina, slovenščina, suomi, svenska, čeština, Ελληνικά, български, русский, српски, українська, עברית, العربية, فارسی, मराठी, हिन्दी, বাংলা, ગુજરાતી, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, ไทย, አማርኛ, 中文（中国）, 中文（台灣）, 日本語, 한국어

Open in the Chrome Web Store ↗ Download the CRX from Google ↗

Users over time As shown on the Chrome Web Store

Tracking began on 27 Sep 2026. The chart appears after the second check.

Show the numbers

Checked	Users	Rating	Ratings
2026-09-27	3,000,000	4.42	11,803

Users, 7 days

–

needs a week of history

Users, 30 days

–

needs a month of history

Rank

#100

by users, of 264,254 extensions

In its category

of 6,861 in Communication

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

What it can access

From the extension's manifest, in plain language

Sites

*://*.googleusercontent.com/*googleusercontent.com and its subdomains
*://*.mailsuite.com/*mailsuite.com and its subdomains
*://*.mailtrack.io/*mailtrack.io and its subdomains
*://mailsuite.com/*mailsuite.com
*://mailtrack.io/*mailtrack.io
https://api.rollbar.com/*api.rollbar.com
https://http-intake.logs.datadoghq.eu/*http-intake.logs.datadoghq.eu
https://mail.google.com/*mail.google.com
https://mrt-attachments-prod.s3.eu-west-1.amazonaws.com/*mrt-attachments-prod.s3.eu-west-1.amazonaws.com
https://mt-file-tracking-temp.s3.eu-west-1.amazonaws.com/*mt-file-tracking-temp.s3.eu-west-1.amazonaws.com

Sites where it runs scripts

*://mailsuite.com/*mailsuite.com
*://mailsuite.com/*/dashboard/install-success*mailsuite.com
*://mailsuite.com/*/dashboard/payment/teams/success*mailsuite.com
*://mailsuite.com/*/dashboard/reauthorized*mailsuite.com
*://mailsuite.com/*/dashboard/welcome*mailsuite.com
*://mailtrack.io/*mailtrack.io
*://mailtrack.io/*/dashboard/install-success*mailtrack.io
*://mailtrack.io/*/dashboard/payment/teams/success*mailtrack.io
*://mailtrack.io/*/dashboard/reauthorized*mailtrack.io
*://mailtrack.io/*/dashboard/welcome*mailtrack.io
https://mail.google.com/*mail.google.com

Browser features

declarativeNetRequestWithHostAccessBlock or change network requests on the sites it can reach
notificationsShow notifications
storageSave settings and data in your browser

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 27 Sep 2026, 06:04 UTC; next check around 28 Sep 2026.

We don't copy descriptions, screenshots or developers' contact details. How we collect the data

Cite this page

Extension Tracker. “Mailtrack® – Email Tracker for Gmail” (ndnaehgpjlnokgebbaldlmgkapkpjkkb). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/ndnaehgpjlnokgebbaldlmgkapkpjkkb. Accessed 2026-09-27.

BibTeX

@misc{extensiontracker_ndnaehgpjlnokgebbaldlmgkapkpjkkb,
  title   = {Mailtrack® – Email Tracker for Gmail (ndnaehgpjlnokgebbaldlmgkapkpjkkb)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/ndnaehgpjlnokgebbaldlmgkapkpjkkb},
  urldate = {2026-09-27}
}

The data is free to reuse under CC BY 4.0.