---
title: "Post SMTP Notifications – Chrome extension stats, history and permissions"
description: "6,000 users, rated 4.43 by 7 people. Version 1.2, updated 2024-05-13. Requests 2 permissions."
url: "https://extensiontracker.com/extension/npklmbkpbknkmbohdbpikeidiaekjoch"
---

# Post SMTP Notifications

Live in the Chrome Web Store.

- Users: 6,000
- Rating: 4.43 from 7 ratings
- Last checked: 2026-09-27 06:33 UTC
- Users gained in 7 days: – (needs a week of history)
- Users gained in 30 days: – (needs a month of history)
- Rank by users: #9,477 of 264,703 live extensions
- Rank in Social Networking: #412 of 7,022

## The listing

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

Summary from the listing:

> Post SMTP Notifications will notify you on failed emails on your WordPress site (required the WordPress plugin).

- Extension ID: `npklmbkpbknkmbohdbpikeidiaekjoch`
- Developer: [None](https://extensiontracker.com/developer/u7029a98bb030bd4c6bc63c05861fa46a)
- Category: [Lifestyle › Social Networking](https://extensiontracker.com/category/lifestyle/social)
- First published: 2019-01-28
- Last updated: 2024-05-13
- Version: `1.2`
- Size: 223 KiB
- Minimum Chrome: 88
- Languages (1): English
- Support page: `https://objectsws.atlassian.net/servicedesk/customer/portal/16`
- Chrome Web Store: <https://chromewebstore.google.com/detail/post-smtp-notifications/npklmbkpbknkmbohdbpikeidiaekjoch>
- View the code or download the CRX, in CRX Viewer: <https://robwu.nl/crxviewer/?crx=https%3A%2F%2Fchromewebstore.google.com%2Fdetail%2Fnpklmbkpbknkmbohdbpikeidiaekjoch>

## Users over time

One row per check, newest first, as shown on the Chrome Web Store.

| Checked | Users | Rating | Ratings |
| --- | ---: | ---: | ---: |
| 2026-09-27 | 6,000 | 4.43 | 7 |

## What changed

Every change found on a check, newest first.

No changes found since tracking began on 2026-09-27.

## What it can access

From the extension's manifest, in plain language.

### Browser features

- `identity`: Sign you in with your Google account
- `notifications`: Show notifications

## 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 2026-09-27 06:33 UTC; next check around 2026-10-02.

How the data is collected: <https://extensiontracker.com/methodology>.

## Cite this page

Extension Tracker. “Post SMTP Notifications” (npklmbkpbknkmbohdbpikeidiaekjoch). Chrome Web Store data, last checked 2026-09-27. https://extensiontracker.com/extension/npklmbkpbknkmbohdbpikeidiaekjoch. Accessed 2026-09-28.

```bibtex
@misc{extensiontracker_npklmbkpbknkmbohdbpikeidiaekjoch,
  title   = {Post SMTP Notifications (npklmbkpbknkmbohdbpikeidiaekjoch)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-09-27},
  url     = {https://extensiontracker.com/extension/npklmbkpbknkmbohdbpikeidiaekjoch},
  urldate = {2026-09-28}
}
```

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/extension/npklmbkpbknkmbohdbpikeidiaekjoch>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Extension, developer and list pages come as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.