Mail Privacy Protection (MPP) is an Apple Mail feature that preloads message content, including tracking pixels, through Apple proxies, hiding the recipient's IP and making opens appear whether or not the person read the message.
Does Mail Privacy Protection affect deliverability?
Not directly. It affects measurement. Deliverability signals at Apple are based on complaints and authentication.
Why does Apple Mail Privacy Protection matter for deliverability?
Open rates from Apple Mail users are inflated and location data is masked, so senders must re-baseline metrics and stop using opens for automation triggers.
What is the first step to get started with Apple Mail Privacy Protection?
Identify the share of your list using Apple Mail.
What is the most common Apple Mail Privacy Protection mistake?
Sunsetting engaged Apple users because clicks are the only reliable signal and they did not click.