How will Apple's new inbox tabs impact email marketing and placement in Gmail?
Matthew Whittaker
Co-founder & CTO, Suped
Published 23 Jul 2025
Updated 17 Aug 2025
9 min read
The introduction of inbox tabs in Apple Mail (iOS 18) is a significant development, one that brings its email experience closer to what users have become accustomed to with Gmail's categorized inbox. This move has sparked immediate discussions among email marketers about potential impacts on deliverability and engagement.
We've witnessed similar shifts before, notably when Google introduced its own tab system in 2013. That initial rollout caused a significant stir, with many marketers fearing their messages would disappear into the Promotions tab, never to be seen again. However, over time, the landscape adapted, and marketers learned to optimize for this new reality.
The key now is to understand the nuances of how Apple's new tabs will function, especially in relation to existing systems like Gmail, and to prepare our strategies accordingly. This article will delve into the implications and offer guidance on how to maintain strong email marketing performance.
How apple's new tabs work and their purpose
The new Apple Mail tabs categorize emails into four distinct views: Primary, Transactions, Updates, and Promotions. The Primary tab is intended for personal and time-sensitive messages. The Transactions tab will house receipts, confirmations, and other direct interactions. Updates are for notifications, alerts, and newsletters. Finally, Promotions is where marketing messages and commercial content will primarily land. This mirrors the functionality seen in Gmail's tabbed inbox, which has been organizing emails similarly for years.
A key feature of Apple's new system is Intelligent Re-categorization. This means that certain emails, even if initially categorized as Transactions or Updates, might be dynamically moved to the Primary tab if Apple's AI determines they are particularly important to the user. This dynamic adjustment, based on user engagement and content relevance, is an automated process and not directly controlled by senders. This feature highlights Apple's commitment to a more organized user inbox, even for emails from Gmail or Yahoo accounts synced with Apple Mail.
While the overall concept aligns with Gmail's existing tabbed structure, it's crucial to remember that Apple's categorization algorithms are distinct. This means an email classified into the Promotions tab by Gmail might appear in the Updates tab in Apple Mail, or vice-versa. Users can manually move emails between tabs, which helps train the system over time for their preferences. This user control is a common feature across most tabbed inboxes.
The perceived impact on marketing emails
One of the most immediate concerns for email marketers is the potential for their messages to be buried in the Promotions tab. While this is a valid worry, it's essential to remember that a dedicated Promotions tab can also be a positive. It provides a clear space for users who are actively looking for deals, newsletters, or updates from brands they subscribe to. This can lead to more engaged opens from users who consciously navigate to that tab, as highlighted by MarketingProfs.
You might observe an initial dip in overall open rates, as not all users will regularly check the Promotions tab. However, this doesn't automatically equate to a decrease in the effectiveness of your email marketing. Instead, focus should shift towards deeper engagement metrics like click-through rates, conversion rates, and ultimately, customer lifetime value. If your emails are reaching an audience that is genuinely interested and willing to navigate to the Promotions tab, the quality of engagement might improve.
Based on our experience with Gmail tabs, reputable senders who focus on relevant content are unlikely to see a negative impact on overall deliverability. The system is designed to organize, not to block. Marketers who prioritize user value and clean sending practices will likely continue to achieve good inbox placement, even if it’s within a specific tab. For more on this, consider reading about the impact of Gmail tabs.
Before apple tabs (traditional inbox)
Visibility: All emails land in a single inbox, potentially leading to clutter.
Engagement: Higher initial open rates, but possibly lower quality engagement.
User Experience: Users might feel overwhelmed by a mix of personal and promotional mail.
Navigating cross-platform placement
A complex scenario arises when users access a Gmail account through the Apple Mail app. An email that lands in Gmail's Promotions tab might be categorized differently by Apple Mail's own algorithms, potentially appearing in Updates or even Primary. This creates a fragmented view for marketers trying to assess inbox placement. It emphasizes that each mailbox provider (MBP) operates independently, using its own proprietary signals and machine learning models for categorization.
The idea that a single line of code can dictate tab placement is a common misconception. Email placement is determined by a sophisticated blend of factors, including sender reputation, email content, recipient engagement patterns, and the specific algorithms of the email client or provider. While email authentication protocols like SPF, DKIM, and DMARC are crucial for getting your email delivered in the first place, they do not directly influence tab placement. They establish the legitimacy of the sender, which is a prerequisite for any inbox placement consideration.
For Gmail, categorization is based on various content and engagement signals, not IMAP folders. While some inbox testing tools create custom filters to map Gmail tabs to IMAP folders for testing purposes, this isn't how the system inherently works. Apple will likely develop its own set of internal rules. This means that a sender's strategy to optimize for Gmail tabs won't automatically translate to optimal placement within Apple Mail. For further reading, check out this article on Apple's tab announcement.
Strategies for optimizing placement
Old approach
Focus: Broad campaigns targeting a wide audience.
Metrics: High emphasis on immediate open rates and reach.
Content: Often generic or less segmented to maximize volume.
The most effective strategy to adapt to Apple's new tabs (and maintain strong deliverability in general) is to double down on sending highly relevant and engaging content. Focus on segmentation, personalization, and delivering value to your subscribers. When users find your emails consistently useful, they are more likely to actively seek them out, regardless of which tab they land in. This also contributes positively to your sender reputation, a critical factor for all mailbox providers, including Gmail.
Maintaining a clean and engaged email list is more important than ever. Regularly remove inactive subscribers and avoid sending to old, unengaged addresses. This minimizes bounces, spam complaints, and the likelihood of hitting spam traps or being added to a blacklist (or blocklist). A healthy list signals to ISPs that you are a responsible sender, which improves your overall domain reputation. For insights on why your emails go to spam, review our detailed guide.
While you cannot directly control Apple's or Gmail's internal categorization, you can implement best practices to encourage favorable placement. This includes optimizing your email's subject line and preview text to accurately reflect content, avoiding overly promotional language for transactional or update emails, and ensuring all authentication standards (like DMARC) are correctly configured. A proactive approach to email health will pay dividends.
Views from the trenches
Best practices
Maintain exceptional email list hygiene by regularly removing inactive subscribers and invalid addresses.
Focus on sending highly personalized and valuable content that recipients genuinely want to engage with.
Ensure all email authentication protocols, like SPF, DKIM, and DMARC, are correctly implemented.
Monitor engagement rates across different email clients to identify any shifts in user behavior.
Common pitfalls
Over-reliance on aggressive promotional language that triggers categorization filters.
Ignoring user engagement metrics, which are crucial signals for inbox placement.
Failing to clean email lists, leading to higher bounce rates and spam complaints.
Assuming that tactics for one inbox provider will automatically work for another.
Expert tips
Consider a shift from short-term campaign metrics to long-term customer-centric metrics, such as lifetime value.
Use AI-powered tools to optimize subject lines and content for different categories.
Embrace the Promotions tab as a valuable space for engaged shoppers and deal-seekers.
Segment your audience based on their engagement patterns to tailor content for better tab placement.
Expert view
Expert from Email Geeks says: The chances of two different Mailbox Providers (MBPs) making the exact same placement decisions 100% of the time are probably zero, so expect variations.
2024-06-10 - Email Geeks
Marketer view
Marketer from Email Geeks says: I am having flashbacks to when
2024-06-10 - Email Geeks
Adapting to the new inbox
The introduction of inbox tabs in Apple Mail (iOS 18) marks a significant evolution in how email is consumed on a widely used platform. While it might initially raise concerns about the visibility of marketing emails, it also presents an opportunity for marketers to refine their strategies and deliver more targeted, valuable content.
The experience with Gmail's tabs demonstrated that a structured inbox, while changing immediate engagement metrics, can lead to a more positive user experience and ultimately, better quality interactions for engaged subscribers. The focus shifts from simply reaching the inbox to reaching the right tab for the right message.
Ultimately, success in this new environment, much like with Gmail, will come down to a commitment to email best practices. This includes rigorous list hygiene, robust email authentication, and an unwavering focus on delivering valuable content that fosters genuine subscriber engagement.