Signal Spam icon

Signal Spam

Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Report spam or fraudulent sites to Signal Spam from your browser or webmail.

Users
60K
0 in 30 days
Rating
2.2 / 5
−0.39 in 30 days
Ratings
237
+4 in 30 days
Store rank
#3,095
#2,712 among extensions
Version
4.3.7
updated 7 Oct 2026

Users

monthly, 3 years
10K35K60KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 60,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
30134237Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 237 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Signal Spam

ACT : REPORT YOUR SPAM ! Signal Spam is a public-private partnership that allows users to report anything that they consider to be spam in their webmail in order to assign it to the public authority or the professional that will take the required action to combat the reported spam. Why report your spam? A spam report allows to collect all the technical information required for the identification of a spammer, wether the report relates to a marketing abuse or cyber-criminal spam. Signal Spam is responsible for the qualification of your report and distributing useful information to the fight against spam. Signal Spam extension will also protect you against Phishing. If you open an e-mail in your webmail, or reach a fraudulent website, already identified by Signal Spam, you will be alerted by the Signal Spam extension.

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%0−0.38
30 days0+0.0%+4−0.39
6 months+10K+20.0%+23−0.35
1 year+10K+20.0%+41−0.38

Version history

35 versions recorded
4.3.77 Oct 2026
4.3.65 Oct 2026
4.3.423 Sep 2026
4.3.35 Sep 2026
4.3.21 Aug 2026
4.3.113 Jul 2026
4.3.04 Jul 2026
4.2.111 Feb 2026

Details

Category
Workflow & Planning
First seen
24 Apr 2020
Size
3.1 MB
Languages
en, fr
Pricing
Free
Privacy policy
services.verifrom.com
Support
signal-spam.fr
Extension ID
npkncdihipibabapnailakhpajlglbfk

Permissions and risk

Elevated riskimpact 4, likelihood 2
Permissions
storageunlimitedStoragescriptingalarmscontextMenustabswebNavigationnotifications
Site access
https://cdn.verifrom.net/*https://*.verifrom.com/*https://services.verifrom.com/*https://*.signal-spam.fr/*https://webmail.free.fr/*https://webmail-rc.free.fr/*https://imp.free.fr/*https://zimbra.free.fr/*https://mail.google.com/*https://webmail.sfr.fr/*and 12 more

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