Extension Tracker

Email Detective for Outlook: Identify ESPs & Check Authentication

125 users Rated 5.00 from 2 ratings Last updated 11 Nov 2026

By Tooltester Live in the Chrome Web Store lfhppcapafocegboaeaejkdamebobafo Search Google ↗ Last checked 12 Nov 2026, 05:49 UTC

The listing

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

Detects which of 200+ email services (ESPs) sent any email in Outlook web, plus SPF, DKIM and DMARC checks.Summary from the listing
Developer
Tooltester
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Tools
First published
29 May 2026
Last updated
11 Nov 2026
Version
1.2.92
Size
227 KiB
Minimum Chrome
88
Languages
1 language

English

Website
emailtooltester.com
Support page
https://www.emailtooltester.com/en/contact/
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
110120Tracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 106 users2026-09-28: 107 users2026-10-03: 107 users2026-10-07: 112 users2026-10-10: 115 users2026-10-21: 121 users2026-10-23: 122 users2026-10-24: 121 users2026-10-27: 123 users2026-11-12: 125 users2026-11-12: new version2026-10-27: new version2026-10-24: new version2026-10-23: new version2026-10-21: new version2026-10-10: new version2026-10-07: new version2026-10-03: new version2026-09-28: new version125110120Tracking began27 Sep18 Oct8 Nov2026-09-27: 106 users2026-09-28: 107 users2026-10-03: 107 users2026-10-07: 112 users2026-10-10: 115 users2026-10-21: 121 users2026-10-23: 122 users2026-10-24: 121 users2026-10-27: 123 users2026-11-12: 125 users2026-11-12: new version2026-10-27: new version2026-10-24: new version2026-10-23: new version2026-10-21: new version2026-10-10: new version2026-10-07: new version2026-10-03: new version2026-09-28: new version125
Average rating
4.804.905.0027 Sep11 Oct25 Oct8 Nov5.004.804.905.0027 Sep18 Oct8 Nov5.00
Number of ratings
227 Sep11 Oct25 Oct8 Nov2227 Sep18 Oct8 Nov2
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-121255.002
2026-10-271235.002
2026-10-241215.002
2026-10-231225.002
2026-10-211215.002
2026-10-101155.002
2026-10-071125.002
2026-10-031075.002
2026-09-281075.002
2026-09-271065.002
Users, 7 days
+2
since a week ago
Users, 30 days
+10
+8.7%
Rank
#61,704
by users, of 292,131 extensions
In its category
#19,448
of 115,641 in Tools

What changed

Every change found on a check, newest first

  1. New version 1.2.92, replacing 1.2.91.

  2. New version 1.2.91, replacing 1.2.88.

  3. New version 1.2.88, replacing 1.2.87.

  4. New version 1.2.87, replacing 1.2.86.

  5. New version 1.2.86, replacing 1.2.85.

  6. New version 1.2.85, replacing 1.2.84.

    The summary on the listing changed.

  7. New version 1.2.84, replacing 1.2.83.

  8. New version 1.2.83, replacing 1.2.82.

  9. New version 1.2.82, replacing 1.2.81.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Browser features
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
Asked for later, if you agree
  • https://outlook.cloud.microsoft/*outlook.cloud.microsoft
  • https://outlook.live.com/*outlook.live.com
  • https://outlook.office.com/*outlook.office.com

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Email Detective for Gmail: Identify ESPs & Check Authentication1,000 4.9519 Communication
Sender Icons for Outlook: Spot important emails faster, click fewer ads11 –– Communication
All 3 extensions by Tooltester →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 12 Nov 2026, 05:49 UTC; next check around 12 Dec 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Email Detective for Outlook: Identify ESPs & Check Authentication” (lfhppcapafocegboaeaejkdamebobafo). Chrome Web Store data, last checked 2026-11-12. https://extensiontracker.com/extension/lfhppcapafocegboaeaejkdamebobafo. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_lfhppcapafocegboaeaejkdamebobafo,
  title   = {Email Detective for Outlook: Identify ESPs & Check Authentication (lfhppcapafocegboaeaejkdamebobafo)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-12},
  url     = {https://extensiontracker.com/extension/lfhppcapafocegboaeaejkdamebobafo},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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