I vividly remember when a client called me anxious as hell because her open rates dropped almost overnight. Nothing had changed on her end. No new email copy, no different send time. Gmail simply updated their rules for senders and she didn’t have DMARC set up properly for her domain. This was two years ago, and I learned more about email marketing from that experience than I did from any other source.
When people ask me what trends will define email marketing in the coming year, I rarely talk about the exciting stuff first. I begin with the boring stuff. Because the boring stuff determines whether anyone will actually see your emails in the first place.
Your inbox placement is being decided before anyone reads a word
When I talk to people about what drives inbox placement, it always surprises them that the big email platforms don’t care much about open rates or click-through rates.
My friends at a direct-to-consumer skincare brand recently shared an interesting insight with me. They actually pruned their list and dropped nearly 40,000 inactive subscribers. The result? Their open rates climbed almost 9%, and they saw an improvement in inbox placement — meaning a larger percentage of their emails were going to the primary tab instead of the promotions tab. In a world where brands fight for every eyeball, inbox placement often matters more than open and click rates. You guessed it — if you’re not engaging with the emails you get, you’ll get fewer emails.
If you’re still clinging to inactive subscribers because your spreadsheet says “nice list size,” 2026 is the year to let go.
I know, I know. You’re saying, “Why would I want a smaller list?” Let me finish.
Inbox placement isn’t just about engagement with the emails you send. It’s about engagement across your entire sending domain. If a large chunk of your list isn’t engaging, it can hurt your deliverability for everyone, not just those disinterested people
AI writing your emails isn’t the interesting part anymore
When asked what will define email marketing in 2026, most people will talk about AI copy at some point. But, the reality is the cool stuff AI is doing in email marketing has less to do with copy and more to do with timing
A small education technology company I spoke with last year stopped sending emails on a fixed schedule and began sending emails at different times based on when individual subscribers were most likely to engage based on their past behavior. They didn’t do anything fancy — they simply used a built-in feature their email service provider offered that they hadn’t previously utilized. Result? Their click-through rates jumped nearly 58% (2.1% to 3.4%) in just six weeks.
The larger lesson here is that most companies I speak with aren’t leveraging features they already own, and 2026 is the year to change that.
People are done with fake personalization
Let’s be real for a second. Nobody really buys into artificial personalization. People are becoming rightfully annoyed when brands attempt to personalize an email by putting their first name in the subject line when nothing about the email relates to their behavior or preferences.
But, people do respond to personalization when it’s based on behavioral information. A pet supply company I spoke with segmented their list based on purchase behavior rather than general demographics. If you bought a bag of dog food that was designed to last six weeks, they sent you an email reminding you to buy more in week five, not week two. That simple change drove their repeat purchase rate from that segment to outperform their other campaigns, including their holiday sales emails.
Interactive emails are finally worth the effort
Email interactivity has long been something of a gimmick. Polls embedded in emails, image sliders, quizzes — none of these things had a meaningful impact on engagement while requiring complicated development and messy rendering across email platforms. But, that’s changing.
As more email clients begin supporting interactive elements, I’ve seen companies have success with simple in-email interactivity that doesn’t sacrifice rendering across platforms. A fitness clothing company I know added a simple quiz recommending sizes to their subscribers’ welcome emails rather than a link to a landing page on their website. By asking people to indicate their size directly in the email, they increased their conversion rate following the welcome series by approximately 15%. Engagement was up because of reduced friction.
When it comes to interactivity, subtlety goes a long way. A single useful interactive element is far better than five decorative ones that slow things down and confuse mobile users.
First party data is the new holy grail
With the death of third-party cookies and stricter privacy laws in various jurisdictions, email is one of the few remaining places where you can build a direct relationship with potential customers. How you collect data, and what you ask for, matters.
I’ve begun encouraging clients to collect first-party data at the point of subscription rather than later through behavioral tracking. A home furnishings company added a two-question form asking about style preferences at the end of the signup process for their email list. This seemingly innocuous change led to their segmented email campaigns performing far better, on average, than their non-segmented counterparts because the information came directly from the subscriber rather than through assumptions.
Most people are happy to give you information if you ask for it, especially if you don’t ask for much. Six questions is too many. Two questions is just right.
Accessibility is no longer optional
It wasn’t too long ago that I learned that accessibility in email marketing was more important than I ever imagined
Many people use screen readers to consume emails, and some subscribers rely on larger font sizes or high-contrast settings to read your emails. If your emails are basically one big image with no alt text and minuscule font sizes, you’re alienating people without realizing it
A nonprofit organization I spoke with recently made their newsletter more accessible to people using screen readers and other assistive technologies without changing anything about the content or design. By simply using appropriate heading structures, larger font sizes, and describing images, they saw increased engagement from their older subscribers who weren’t as vocal about their needs. Making your emails more accessible isn’t just the right thing to do; it helps everyone engage better with your content.
Email marketing lives inside of a broader ecosystem
There’s one final trend that defines email marketing in 2026 for me, and it has less to do with email marketing itself than it does with related channels. SMS, push notifications, and even in-app notifications are joining email marketing as part of a broader customer engagement ecosystem. This isn’t always easy since some channels are inherently frictionless while others are more intrusive, but it’s important to recognize that customers tend to engage better when presented with consistent messaging across different channels rather than the same message being delivered in different places.
An organization I’ve spoken with that sells coffee subscriptions had an interesting policy about following up with customers. If you opened an email but didn’t click on any of the links, you received a gentle reminder SMS the next day, but you never received both an email and an SMS for the same offer on the same day. This subtle change decreased unsubscribes across the board by reducing the overall “annoyance” factor for customers who engaged with one channel but not the other. Your customers are engaging with multiple channels, and treating those channels as completely separate can cause frustration for the people trying to engage with your brand.
So what actually matters going into 2026
When asked what trends will define email marketing in the coming year, my friends at some of the world’s largest brands always give the same answer: List hygiene. List cleanliness. List health. They all mean the same thing — if you want to improve your email marketing performance, begin with the basics. In 2026, those basics matter more than ever.
If I had to summarize what will really matter when it comes to email marketing in 2026, it’d be this: Clean your list, optimize your email platform, collect data from your subscribers, improve accessibility, and stop treating email marketing like a silo.
None of these require you to burn money on new initiatives or spend time on shiny projects. Most of the improvements I’ve spoken about are things you can do today, and many of them involve doing more of what you’re already doing rather than trying to acquire new skills. Email marketing isn’t going away in 2026, and it’s certainly not becoming something completely different. It’s simply becoming more sophisticated. It’s becoming less forgiving of the things we used to accept. It’s becoming less mysterious.
Above all, email marketing is becoming less forgiving of the things we used to accept. If I could leave you with one thought that encapsulates everything I’ve written in this post, it’d be similar to what I told the client whose open rates mysteriously dropped one day. Focus on the fundamentals. Nobody is going to get excited about you optimizing your DMARC records, but it’s vital nonetheless.
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