Who Should You Be Emailing? A Complete Guide to Email List Segmentation

Emails sent to targeted segments get three times better engagement than emails sent to a full list. That’s not a small difference. That’s the difference between an email strategy that drives revenue and one that gets ignored.

The reason is simple: Segmentation means the right people get the right message at the right time, and that’s the single most powerful thing you can do for your email marketing.

The question isn’t how often you should be emailing. It’s who you should be emailing. 

Prefer to learn about segmentation in a masterclass format? Watch the replay here:

Email segmentation lets you divide your subscriber list into smaller, more targeted groups so you can send personalized, relevant content to each one.

Think of your full subscriber list as everyone who’s walked through your door. Segmentation is how you figure out who’s there and why, so you can make sure each person gets  what they came for.

In Flodesk, these groups are called segments. A single subscriber can belong to multiple segments at once. Someone on your list might be in your newsletter segment, your VIP segment, your photographers segment, and your local events segment, all at the same time. Each of those segments lets you reach her with something that’s actually relevant to her.

Inbox providers like Google and Yahoo are paying close attention to how people engage with your emails. When you send to a large, unfiltered list and only a fraction of people open it, that signals low-value content and your emails get buried or sent to spam.

When you send to a smaller, targeted segment and the majority of people open and click, inbox providers learn that your emails are worth showing.

Segmentation isn’t just smart strategy. It’s how you protect your sender reputation and make sure the people who want your emails can actually find them.

Ask yourself three questions before every send:

The answer is almost never “everyone gets the same email.” Here are some examples of how this plays out:

There are several powerful ways to build segments in Flodesk, and the best strategy uses more than one. Here’s a complete breakdown.

Each form in Flodesk will be connected to at least one segment that you choose. You can also turn on form preferences to ask subscribers a question at signup and automatically segment them based on their answer.

How to turn it on:

Each option they select adds them to the corresponding segment automatically. If they don’t choose anything, they won’t be added to those segments, but they’ll still be added to the segment tied to the form itself.

This is one of the easiest ways to start collecting meaningful data about your subscribers from day one.

Link actions are one of the most powerful segmentation tools in Flodesk. When a subscriber clicks a link in your email, you can automatically add them to a segment, remove them from one, trigger a workflow, or set a custom field value.

How to set up a link action:

Ways to use link actions:

Pro tip: Every link action needs a destination. If you don’t have a page to send them to, create a simple “thanks, we’ve updated your preferences” page on your website, or link to a gif from Giphy. 

Flodesk’s poll block lets subscribers answer a question directly inside your email, and you can segment them based on their answer.

How to add a poll:

When to use polls:

When to use buttons with link actions instead: If you don’t want the experience to feel like a poll, or if you want subscribers to be able to select multiple answers, use buttons with link actions instead. Each button becomes its own link action, so subscribers can select multiple answers and land in every relevant segment.

You can use Flodesk workflows to segment subscribers automatically based on their behavior over time.

How it works: Inside a workflow, add a Yes/No Branch to create conditional paths. For example:

This is especially useful for keeping your segments dynamic and up to date without manual work on your end.

Flodesk integrates with several tools that can feed segmentation data directly into your account:

Don’t overlook this one. It’s more useful than it sounds.

If you haven’t been segmenting yet, you can search your existing subscriber list for keywords. Search “photographer” or “photography” and anyone with that word in their email address or profile will surface.

From there, go into your Audience tab in Flodesk, filter by keyword, select all matching subscribers, and add them to a new segment. It’s not a perfect system, but it lets you build a starting segment quickly from the list you already have.

You don’t need a huge list or a perfect system to start. Here’s where to begin:

Segmentation isn’t a one-and-done setup. It grows with you. As you learn more about your audience, you’ll find new ways to slice your list and new reasons to send targeted content. Start where you are, and build from there.

The question “who should I be emailing?” has a simple answer: the people who actually want what you’re sending.

Flodesk gives you everything you need to figure out who that is, through form preferences, link actions, polls, workflows, integrations, and more. When you use these tools together, you’re not just sending emails. You’re having the right conversation with the right person, every time.

A small, engaged, well-segmented list will always outperform a large, unfocused one. And with open rates three times higher than industry average, the results speak for themselves.

Ready to start segmenting? Log in to Flodesk and turn on form preferences on your next opt-in form. It takes two minutes, and every subscriber you gain from that point forward will tell you exactly who they are.

Email segmentation is the practice of dividing your subscriber list into smaller, targeted groups based on shared characteristics like interests, behavior, location, or purchase history. Instead of sending the same email to everyone, you send relevant content to the people most likely to care about it. The result is higher open rates, more clicks, and stronger relationships with your audience.

You should be emailing subscribers who are engaged, who signed up for the kind of content you’re sending, and who are in the right stage of their relationship with your brand. New subscribers need a welcome series. Past clients respond to exclusive offers. People who clicked your sale link are primed for a follow-up. The more you know about each segment of your list, the better you can match your message to the moment.

Start simple. Turn on form preferences on your opt-in form so new subscribers can tell you who they are when they sign up. Then add a link action to your next email—when someone clicks a button or link, add them to a relevant segment automatically. If you already have a list, search it by keyword (like “photographer” or “coach”) to build starter segments from what you already have. You don’t need a perfect system. You just need to start.

No. A small, engaged, well-segmented list consistently outperforms a large, unfocused one. An analysis of billions of emails sent through Flodesk showed that targeted sends achieved open rates above 50%, more than three times the industry average of 18%. The goal isn’t to grow your list as fast as possible. It’s to build a list of people who actually want to hear from you.

Flodesk is built specifically for small business owners and creative entrepreneurs who want powerful segmentation without the complexity of enterprise tools. With form preferences, link actions, poll blocks, workflow branches, and integrations with tools like Interact, Shopify, and HoneyBook, Flodesk gives you everything you need to send smarter emails, all in one place.

Segmentation directly improves your sender reputation. When you send targeted emails to engaged subscribers, inbox providers like Google and Yahoo see patterns in your engagement rates and interpret that as a signal that your content is valuable. Over time, that builds trust and your emails are more likely to land in the primary inbox instead of promotions or spam. Sending to a large, unengaged list does the opposite.