--- title: "Signal Spam – Chrome extension stats, history and permissions" description: "50,000 users, rated 2.24 by 236 people. Version 4.3.7, updated 2026-10-07. Requests 30 permissions." url: "https://extensiontracker.com/extension/npkncdihipibabapnailakhpajlglbfk" --- # Signal Spam Live in the Chrome Web Store. - Users: 50,000 - Rating: 2.24 from 236 ratings - Last checked: 2026-11-12 07:03 UTC - Users gained in 7 days: No change - Users gained in 30 days: −10,000 (-16.7%) - Rank by users: #2,466 of 292,125 live extensions - Rank in Workflow & Planning: #836 of 49,294 ## The listing What the Chrome Web Store shows, as of the last check. Summary from the listing: > Report spam or fraudulent sites to Signal Spam from your browser or webmail. - Extension ID: `npkncdihipibabapnailakhpajlglbfk` - Developer: [VERIFROM](https://extensiontracker.com/developer/ue28514f6c5a14ae407d8d6b5a835c77f) - Enhanced Safe Browsing: Trusted ([what this means](https://extensiontracker.com/enhanced-safe-browsing)) - Category: [Productivity › Workflow & Planning](https://extensiontracker.com/category/productivity/workflow) - First published: 2015-07-02 - Last updated: 2026-10-07 - Version: `4.3.7` - Size: 3.14 MiB - Minimum Chrome: 88 - Languages (2): English, français - Website: `https://www.verifrom.com/` - Support page: `https://www.signal-spam.fr/faq` - Chrome Web Store: - View its code or download CRX: - Search Google for the ID: ## Users over time One row per check, newest first, as shown on the Chrome Web Store. | 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 | ## What changed Every change found on a check, newest first. - 2026-10-08: New version `4.3.7`, replacing `4.3.6`. - 2026-10-08: Added the site `https://*.mail.ovh.net/*`. Removed the site `https://webmail.mail.ovh.net/*`. - 2026-10-08: 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 2026-09-27. We know contact emails only by a keyed hash, so they're never shown. Recent changes: [Account and contact changes](https://extensiontracker.com/owners/). ## 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 - `alarms`: Run tasks on a schedule - `contextMenus`: Add items to the right-click menu - `notifications`: Show notifications - `scripting`: Run scripts on sites it can reach - `storage`: Save settings and data in your browser - `tabs`: Read the addresses and titles of your tabs - `unlimitedStorage`: Store more data than the usual limit - `webNavigation`: Follow 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 2026-11-12 07:03 UTC; next check around 2026-11-18. How the data is collected: . ## Cite this page 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} } ``` --- From Extension Tracker, a public record of the Chrome Web Store: . It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.