Extension Tracker

Posteo SMIME

299 users No ratings yet Last updated 7 Aug 2026

By Posteo e.K. Live in the Chrome Web Store nbmeankcjkpobhgipeleejlbbmgoodnl Search Google ↗ Last checked 30 Oct 2026, 23:10 UTC

The listing

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

Encrypt, decrypt, sign, and verify with S/MIME in the Posteo webmailer. Your certificates (including private keys) remain on your…Summary from the listing
Developer
Posteo e.K.
Enhanced Safe Browsing
Trusted. What this means →
Category
Make Chrome Yours › Privacy & Security
First published
14 Mar 2026
Last updated
7 Aug 2026
Version
0.4.8
Size
11.16 MiB
Minimum Chrome
88
Languages
4 languages

Deutsch, English, español, français

See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
280290Tracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct2026-09-27: 275 users2026-10-02: 274 users2026-10-30: 299 users299280290Tracking began27 Sep11 Oct25 Oct2026-09-27: 275 users2026-10-02: 274 users2026-10-30: 299 users299
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-10-30299––
2026-10-02274––
2026-09-27275––
Users, 7 days
No change
since a week ago
Users, 30 days
+25
+9.1%
Rank
#42,995
by users, of 292,131 extensions
In its category
#742
of 5,693 in Privacy & Security

What changed

Every change found on a check, newest first

No changes found since tracking began on 27 Sep 2026.

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://posteo.de/*posteo.de
Sites where it runs scripts
  • https://posteo.de/konto*posteo.de
  • https://posteo.de/webmail/*posteo.de
Browser features
  • declarativeNetRequestBlock or change network requests, using rules
  • storageSave settings and data in your browser

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 30 Oct 2026, 23:10 UTC; next check around 27 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Posteo SMIME” (nbmeankcjkpobhgipeleejlbbmgoodnl). Chrome Web Store data, last checked 2026-10-30. https://extensiontracker.com/extension/nbmeankcjkpobhgipeleejlbbmgoodnl. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_nbmeankcjkpobhgipeleejlbbmgoodnl,
  title   = {Posteo SMIME (nbmeankcjkpobhgipeleejlbbmgoodnl)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-10-30},
  url     = {https://extensiontracker.com/extension/nbmeankcjkpobhgipeleejlbbmgoodnl},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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