Extension Tracker

Signal Spam

60,000 users Rated 2.62 from 234 ratings Last updated 23 Sep 2026

By VERIFROM Live in the Chrome Web Store npkncdihipibabapnailakhpajlglbfk Last checked 27 Sep 2026, 06:33 UTC

The listing

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

Report spam or fraudulent sites to Signal Spam from your browser or webmail.Summary from the listing
Developer
VERIFROM
Trader status
Declared a trader under EU law
Category
Productivity › Workflow & Planning
First published
2 Jul 2015
Last updated
23 Sep 2026
Version
4.3.4
Size
2.95 MiB
Minimum Chrome
88
Languages
2 languages

English, français

Website
https://www.verifrom.com/
Support page
https://www.signal-spam.fr/faq
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
CheckedUsersRatingRatings
2026-09-2760,0002.62234
Users, 7 days
–
needs a week of history
Users, 30 days
–
needs a month of history
Rank
#2,240
by users, of 264,254 extensions
In its category
#762
of 44,385 in Workflow & Planning

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
  • https://*.mail.aol.com/*mail.aol.com and its subdomains
  • https://*.mail.yahoo.com/*mail.yahoo.com and its subdomains
  • https://*.orange.fr/appsuite/*orange.fr and its subdomains
  • https://*.signal-spam.fr/*signal-spam.fr and its subdomains
  • https://*.verifrom.com/*verifrom.com and its subdomains
  • https://apis.mail.aol.com/*apis.mail.aol.com
  • https://apis.mail.yahoo.com/*apis.mail.yahoo.com
  • https://cdn.verifrom.net/*cdn.verifrom.net
  • https://imp.free.fr/*imp.free.fr
  • https://mail.google.com/*mail.google.com
  • https://mail.yahoo.com/*mail.yahoo.com
  • https://mailo.com/*mailo.com
  • https://messageriepro.orange.fr/*messageriepro.orange.fr
  • https://outlook.live.com/*outlook.live.com
  • https://services.verifrom.com/*services.verifrom.com
  • https://web-mail.laposte.net/*web-mail.laposte.net
  • https://webmail-rc.free.fr/*webmail-rc.free.fr
  • https://webmail.free.fr/*webmail.free.fr
  • https://webmail.mail.ovh.net/*webmail.mail.ovh.net
  • https://webmail.sfr.fr/*webmail.sfr.fr
  • https://www.mailo.com/*www.mailo.com
  • https://zimbra.free.fr/*zimbra.free.fr
Sites where it runs scripts
  • https://*.mail.aol.com/*mail.aol.com and its subdomains
  • https://*.mail.yahoo.com/*mail.yahoo.com and its subdomains
  • https://*.orange.fr/appsuite/*orange.fr and its subdomains
  • https://imp.free.fr/*imp.free.fr
  • https://mail.aol.com/*mail.aol.com
  • https://mail.google.com/*mail.google.com
  • https://mail.yahoo.com/*mail.yahoo.com
  • https://mailo.com/*mailo.com
  • https://messageriepro.orange.fr/*messageriepro.orange.fr
  • https://outlook.live.com/*outlook.live.com
  • https://web-mail.laposte.net/*web-mail.laposte.net
  • https://webmail-rc.free.fr/*webmail-rc.free.fr
  • https://webmail.free.fr/*webmail.free.fr
  • https://webmail.mail.ovh.net/*webmail.mail.ovh.net
  • https://webmail.sfr.fr/*webmail.sfr.fr
  • https://www.mailo.com/*www.mailo.com
  • https://zimbra.free.fr/*zimbra.free.fr
Browser features
  • alarmsRun tasks on a schedule
  • contextMenusAdd items to the right-click menu
  • notificationsShow notifications
  • scriptingRun scripts on sites it can reach
  • storageSave settings and data in your browser
  • tabsRead the addresses and titles of your tabs
  • unlimitedStorageStore more data than the usual limit
  • webNavigationFollow your browsing, page by page

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, 06:33 UTC; next check around 28 Sep 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Signal Spam” (npkncdihipibabapnailakhpajlglbfk). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/npkncdihipibabapnailakhpajlglbfk. Accessed 2026-09-28.
BibTeX
@misc{extensiontracker_npkncdihipibabapnailakhpajlglbfk,
  title   = {Signal Spam (npkncdihipibabapnailakhpajlglbfk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/npkncdihipibabapnailakhpajlglbfk},
  urldate = {2026-09-28}
}

The data is free to reuse under CC BY 4.0.

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