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In this post, I’ll dive into the updates discussed during Apple’s Worldwide Developers Conference (WWDC). I’ll also touch on how Dynamic Yield has built its personalization capabilities with user privacy in mind, and as a result, will not be impacted by the change.
First and foremost, it’s important to remember that Apple has not published any official technical documentation at this point in time. Therefore, we don’t know for sure how Apple plans to fight these pixels or differentiate between them and regular images.
However, based on the information provided, we can estimate the following:
Apple will encourage its native Mail app users to turn on the enhanced privacy mode through a one-click activation that provides two options: “Protect Mail Activity,” or “Don’t “Protect Mail Activity,” making it very easy to say yes and thus increasing the likelihood of adoption.

Once enabled, Apple will load all emails in their servers before the user opens them. This means tracking the user’s location or IP address via invisible pixels is no longer possible. Instead, the IP address of Apple’s servers is to be shown, rendering impressions as obsolete seeing as all emails will be opened by Apple servers.

Apple’s latest privacy move is expected to affect the entire market. In fact, around half of all email users have an active Apple Mail app on at least one of their devices. But to make things more complicated, the changes will also affect users that have the Mail app in one of their devices, even if it’s not the device they usually read emails with.

Source: Litmus – Email Client Market Share as of July 1, 2021
(Based on Email Opens)
Given that ALL emails will be opened by an Apple server, many of the services email marketers have come to rely on may cease to function, including:
And many more applications that rely on tracking the user’s IP or email open behavior.
From serving personalized content to analytics, the industry must adapt to these changes – Apple has a track record of swaying the industry to align with its standards, similar to how Chrome is catching up to Safari’s ITP.
Personalization requires user data and some marketing platforms aim to gather as much of it as possible, blurring the boundaries of personalization and privacy.
At Dynamic Yield, we hold ourselves to the highest set of privacy standards, which we refer to as Responsible Personalization, to ensure everything we do happens within safe boundaries. Our entire platform was built to abide by these core principles, including our email personalization capabilities.
It is because of this that the Dynamic Yield platform does not behave in the way Apple seeks to prevent – more on that below.
The main crux of Apple’s Mail Privacy Protection is to eliminate the usage of invisible pixels and IP addresses, two methods Dynamic Yield does not use to personalize email content or infer user identity
Dynamic Yield relies on explicit identifiers, which you – as the brand owner – choose. Determining the right identifier is critical, as brands should view privacy in a holistic manner rather than a vendor-driven decision.
For example, some brands opt for hashed emails while others, Customer ID. Both ensure that the user identity is protected in email campaigns, and even if you choose to identify using an un-hashed email address, the platform architecture ensures the rest of the user data remains protected.

When embedding a Recommendation or Dynamic Content blocks, you explicitly state the distinguisher ID as a parameter to the image and link tags, in this case – hashed email
Given Dynamic Yield’s Responsible Personalization practices have the right safeguards in place, Apple’s Mail Privacy Protection is therefore redundant, with content remaining personalized for users regardless of the platform they use to open their emails.
Apple is helping consumers fight invasive privacy tactics and their recent announcement is expected to represent another milestone in web privacy. Much like GDPR and the depreciation of 3rd party cookies, it is a part of the constant evolution that is marketing, which should not be feared but embraced.
With privacy as a core principle, Dynamic Yield welcomes these changes, which we do not expect to limit our capabilities in any way.
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