See mailshade.org

Email tracker blocker for Yahoo Mail

Yahoo Mail can render remote tracking pixels. After you opt into mail.yahoo.com, Mailshade uses Chrome's declarativeNetRequest to cancel browser requests that match its reviewed tracker-pixel endpoint catalog. A local DOM scan detects pixels and supported tracking-link patterns; recognized links offer a direct-or-original choice. Detected tracker occurrences are stored in a local per-sender dashboard. This page describes that Yahoo Mail scope and the evidence used to test it. The dated benchmark separates publisher-stated coverage from behavior exercised in a controlled Yahoo Mail fixture.

Yahoo Mail and tracking

The Yahoo Mail web client can render remote images, including tracking pixels.

What Mailshade does in Yahoo Mail

  • After opt-in, scopes reviewed tracker-endpoint rules to mail.yahoo.com.
  • Detects supported tracking-link patterns locally and lets you choose direct or original.
  • Shows a red-eye overlay naming the detected tracker endpoint.
  • Records detected tracker occurrences in a per-sender IndexedDB dashboard.

Evidence and limits

Mailshade ships an opt-in Yahoo adapter and local sender-level history. Comparative claims about other products belong to the dated benchmark, which distinguishes documented scope from behavior exercised in the tested client.

Keep ordinary images

Mailshade uses reviewed endpoint rules rather than disabling all images, and the benchmark includes benign controls.

FAQ

How is Mailshade's Yahoo Mail coverage scoped?

Mailshade ships an explicit opt-in adapter for mail.yahoo.com and keeps detected tracker occurrences in a local sender dashboard. Dated comparative behavior is reported by the benchmark.

How does Mailshade block tracking in Yahoo Mail?

It runs on mail.yahoo.com and uses declarativeNetRequest to cancel opted-in browser requests that match its reviewed tracker-pixel endpoint catalog.

Is my Yahoo Mail data sent anywhere?

Core inbox history stays in local IndexedDB and is not sent to Mailshade servers. Settings can use Chrome Sync; paid actions and optional off-by-default crash reports are separate and documented.

Will blocking break images in Yahoo Mail?

Mailshade targets reviewed tracker-pixel endpoints rather than disabling all images, so non-matching images can continue to load.

How much does the Yahoo Mail tracker blocker cost?

Core protection remains free after a 14-day Pro trial. Paid Pro starts at $3.99 per month or $19 one-time for Founders Lifetime. Mailshade source code is published under AGPL-3.0-or-later at mailshade.org/source/.