Signal Spam

50,000 users Rated 2.24 from 236 ratings Last updated 7 Oct 2026

By VERIFROM Live in the Chrome Web Store npkncdihipibabapnailakhpajlglbfk Search Google ↗ Last checked 12 Nov 2026, 07:03 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
Enhanced Safe Browsing: Trusted. What this means →
Category: Productivity › Workflow & Planning
First published: 2 Jul 2015
Last updated: 7 Oct 2026
Version: 4.3.7
Size: 3.14 MiB
Minimum Chrome: 88
Languages: 2 languages
English, français
Website: https://www.verifrom.com/
Support page: https://www.signal-spam.fr/faq

See Chrome Web Store page ↗ View its code or download CRX ↗

Users over time As shown on the Chrome Web Store

Average rating

Number of ratings

New version One point per check. Source: the extension's public Chrome Web Store listing.

Show the numbers

Checked	Users	Rating	Ratings
2026-11-12	50,000	2.24	236
2026-11-05	50,000	2.24	236
2026-10-29	60,000	2.24	236
2026-10-23	70,000	2.24	236
2026-10-15	60,000	2.24	237
2026-10-08	60,000	2.62	237
2026-10-06	60,000	2.62	237
2026-10-05	60,000	2.62	237
2026-09-28	60,000	2.62	234
2026-09-27	60,000	2.62	234

Users, 7 days

No change

since a week ago

Users, 30 days

−10,000

-16.7%

Rank

#2,466

by users, of 292,131 extensions

In its category

#836

of 49,293 in Workflow & Planning

What changed

Every change found on a check, newest first

2026-10-08
New version 4.3.7, replacing 4.3.6.
Added the site https://*.mail.ovh.net/*. Removed the site https://webmail.mail.ovh.net/*.
Added the site where it runs scripts https://*.mail.ovh.net/*. Removed the site where it runs scripts https://webmail.mail.ovh.net/*.
2026-10-06
New version 4.3.6, replacing 4.3.4.

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

Sites

https://*.mail.aol.com/*mail.aol.com and its subdomains
https://*.mail.ovh.net/*mail.ovh.net 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.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.ovh.net/*mail.ovh.net 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.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 12 Nov 2026, 07:03 UTC; next check around 18 Nov 2026.

How we collect the data

Cite this page

Citation

Extension Tracker. “Signal Spam” (npkncdihipibabapnailakhpajlglbfk). Chrome Web Store data, last checked 2026-11-12. https://extensiontracker.com/extension/npkncdihipibabapnailakhpajlglbfk. Accessed 2026-11-13.

BibTeX

@misc{extensiontracker_npkncdihipibabapnailakhpajlglbfk,
  title   = {Signal Spam (npkncdihipibabapnailakhpajlglbfk)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-12},
  url     = {https://extensiontracker.com/extension/npkncdihipibabapnailakhpajlglbfk},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

Signal Spam

The listing

What changed

Developer history

What it can access

About this data

Cite this page

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