What is Apple's Mail Privacy Protection?

A feature in iOS 15 that blocks tracking pixels, hides user IPs, and pre-loads email images to prevent accurate open tracking in Apple's Mail app.

Does the email provider (Gmail/Yahoo/etc.) affect tracking?

No — the mail client matters, not the provider. If an email is viewed in Apple Mail with MPP enabled, tracking is affected regardless of whether the mailbox is Gmail, Yahoo, or any other provider.

Will Gmail app users on iOS be impacted?

No. MPP only activates when using Apple's native Mail app, not third-party mail apps like Gmail or Outlook on iOS.

Does MPP affect click tracking?

Early testing shows no impact on click tracking. URLs, query strings, and user agents remain untouched by Apple's privacy protections.

Can senders distinguish false opens from real ones?

No — Apple's proxy behavior makes all opens appear identical. However, Bird flags pre-fetched opens via Events API and Webhooks to help senders separate machine opens from potential real engagement.

How many users rely on Apple Mail today?

About 38% of all opens in Bird's Benchmark Report come from Apple Mail clients, making it the second largest email client family after Gmail.

Which email tactics break under MPP?

Open-based segmentation, send-time optimization, open-time personalization (weather widgets, countdown timers), device-detection badges, and subject line A/B testing based on open rates.

What should senders use instead of opens?

Clicks, conversions, browsing behavior, purchase data, and deeper engagement signals that reflect real user intent rather than machine-generated opens.

Impact of iOS 15 Update On Open Tracking

What's Changing in iOS 15 Email Tracking

Which Email Apps and Clients Are Affected

Impact on Open and Click Tracking

How Big Is the Impact

How This Impacts Email Senders

What Bird Is Doing About It