20 Email Marketing Case Studies: Examples & Results to Learn From

How would you like to read the best email marketing case studies ever published?

More importantly, how would you like to copy the best practices for email marketing campaigns that are based on real-world examples and not just theory?

Below, you’ll find a list of the top email marketing case studies along with the results and key findings from each example. By studying these email marketing case study examples and applying the lessons learned in your own email campaigns, you can hopefully achieve similar results as an email marketer.

Top Email Marketing Case Studies

Getting 1,300 Monthly Donations – Watsi Email Marketing Case Study

In this case study, you’ll learn how Watsi crafted an email marketing campaign encouraging new and existing users to sign up for its Universal Fund. Using seven test-driven tools helped this organization knock huge campaigns out of the park. Learn how Watsi used email to make people feel more special, take customization to the next level, earn 1,300 monthly donations, and more.

Collecting 100,000 Emails In One Week – Tim Ferris Show Email Marketing Case Study

This email marketing case study has it all: tips, templates, and code to create a successful email campaign. Discover how Harry’s, a men’s grooming brand, launched its brand and how it collected nearly 100,000 email addresses in one week. You’ll learn everything they did so you can try to replicate the results.

The Science Behind Obama’s Campaign Emails – Bloomberg Email Marketing Case Study

Obama’s election success proved the true power of digital marketing, including powerful email campaigns. Most of the $690 million dollars Obama raised online came from fundraising emails. In this article, you’ll learn about the rigorous experimentation by a large team of analysts and the strategies that made the campaign so successful.

The Amazon Email Experience – Vero Email Marketing Case Study

In this case study on email marketing by Vero, you’ll get a complete analysis of Amazon’s email experience for the user. It takes you from the initial subscriber welcome message, to email receipts, shipping updates, thank you content, invites, Black Friday deals, the review email, and more. There are loads of data and useful tips you can gain and use for your own email campaigns in this post.

Boost Open Rates By 3X & CTR By 2X – Digital Marketer Email Marketing Case Study

How would you like to instantly boost your open rates by 3X and your click-through rates (CTR) by 2X with the next email you send to your list? Digital Marketer shows you 11 strategies you can use right now based on its own research and data to achieve similar results.

Increasing Reach, Impact & Subscriber Satisfaction – Content Marketing Institute Email Marketing Case Study

This article by Content Marketing Institute contains a breakdown of several case study examples for email marketing. Inside, you’ll learn about using list segmentation as well as advice on measuring and optimizing your email delivery performance. Popular brands discussed include SalesForce, Xerox, Noodles Company, and more.

Birchbox Boost Conversions By 25% – Braze Email Marketing Case Study

This is one of the top email marketing case studies that prove why you shouldn’t send out a one-size-fits-all message to your mailing list. It’s a short case study on email marketing, but you’ll learn quickly how Braze helped Birchbox use custom attributes culled from data gathered on customer behavior to switch from generic email content to a more personalized strategy that delivered better results: a 25% boost in conversion rates and 16% increase in open rates.

109% Revenue Lift for Dell with GIFs – MarketingSherpa Email Marketing Case Study

This is one of the best email marketing case studies available that shows the true power of using GIFs in your daily, weekly, or monthly newsletter campaigns. Discover how Dell lifted revenue by 109% with GIF-centered email effort.

$40,000 In Sales Without Annoying Subscribers – Yaro Starak Email Marketing Case Study

Here’s a complete breakdown of how Yaro Starak generated $40,00 in sales without annoying his subscribers during new product launches. It contains lots of tips, tricks, and expert advice on how (and when) to send consecutive emails, usiing videos in the campaign, creating a sense of urgency to buy now, and more.

$800,000 for Charity Water By Increasing Email Frequency – Money Journal Email Marketing Case Study

There are numerous email marketing strategies you can use to increase revenue for your business. However, not all email campaigns have to be heavily focused on giving customer discounts or free stuff to generate more money. This is especially true for non-profit organizations. Check out this case study to learn how Charity Water increased revenue by $800,000 by taking an unconventional approach to their follow-up emails that takes their audience on a journey.

Nanoleaf Recovers 30% of Abandonded Carts – Rejoiner Email Marketing Case Study

Are you an ecommerce brand, online retailer, course seller, or other type of website that uses a cart for the checkout process? If so, then this case study by Rejoiner will give you actionable tips to try based on data from Nanoleaf, which recovered 30% of sales with abandoned cart follow-up emails.

70+ Calls for a B2B Company with Cold Emailing – Growforce Email Marketing Case Study

Cold email marketing can be one of the best converting channels when done right. And this article will help you improve your cold emailing results. Read it to find out some of the top cold email best practices, get an example email sequence, and learn a powerful extra step you can use for marketing automation that works.

From Starting Blocks to Total Clarity – Email Marketing Heroes Case Study

Email Marketing Heroes is a podcast that offers free email marketing tips and a membership program to help business owners improve their email campaigns. In this blog post (and podcast), you’ll learn how one member got instant positive results by emailing her list more regularly, setting up automated email campaigns, and including links in a specific part of each message.

Hammock Increased Open Rate 48% with Shorter Emails – MarketingSherpa Email Marketing Case Study

Hammock is a B2B company that turned its traditional, content-heavy email newsletter into what they refer to as an “un-newsletter.” Discover how “The Idea Email” increased email open rates by 48% by focusing on one central topic and containing 350 words or less.

A/B Testing for Success – VWO Email Marketing Case Study

Most digital marketers don’t think about A/B testing their email marketing campaigns. However, year after year, email marketing delivers the highest return on investment (ROI) across all acquisition channels. In this article, you’ll learn how to incorporate A/B testing best practices, methodologies, and mental models to increase open rates, click-through rates (CTR), conversions, and more.

Building a Welcome Series from Scratch – HelpScout Email Marketing Case Study

This is not your typical case study on email marketing; however, it’s an important article to read if you need help setting up a good welcome series for your business. HelpScout takes you from the first email to the last you send to new subscribers while also describing the goal of each email message in the campaign.

600 Email Subscribers With 2 Blog Posts – Jacob McMillen Email Marketing Case Study

Want to know how to combine the power of SEO, blogging, and email marketing to get new subscribers on your list? Jacob McMillen teaches you all that and more in this case study. Learn how he used ConvertKit on a new blog along with SumoMe Pro popups, and a special SEO content writing technique to get 600 email subscribers from just two blog posts. Includes step-by-step instructions for you to copy this exact strategy for your website and email campaigns.

8 Steps to Building a Tripwire Email Funnel – Data Driven Marketing Email Case Study

If you’re serious about email marketing, then you need to have a good tripwire in place to make more sales from your new subscribers. Inside this guide, you’ll find a complete strategy for building an effective tripwire funnel that converts more subscribers into customers as well as using a follow up email sequence to capture the non-buyers.

10 Tripwire Examples – Autogrow Email Marketing Case Study

After reading the last previous guide on setting up an email tripwire funnel, you may want to look at this page to get proven examples of case studies that worked for this type of email marketing.

56% Rise In Open Rates with Emojis In Subject Lines – Campaign Monitor Email Marketing Case Study

A famous email campaign case study released by Experian revealed that 56% of unique open rates increased for brands that used emojis in their subject lines. In this article, Campaign Monitor offers valuable tips for using emojis like a pro email marketer.


What Is an Email Marketing Case Study?

An email marketing case study explains the process a business went through with a client to help them achieve specific results with an email campaign. Email marketing case studies provide a detailed examination of particular strategies within a real-world context to prove how effective it was for the client.

Are Case Studies Good for Email Marketing?

Case studies are good for email marketing because you can learn how to create email campaigns more effectively. Instead of just studying the theory of email marketing, you can learn from real email strategy campaigns to find out what methods deliver a higher return on investment.

Read More Marketing Case Studies

Here’s a list of more case studies you can use to improve your marketing campaigns:

Email Marketing Case Study Examples Summary

Email Marketing Case Study Examples Summary

I hope you enjoyed this list of the best email marketing case studies that are based on real-world results and not just theory.

As you discovered, the email marketing case study examples above demonstrated many different ways to implement an effective email campaign. By studying the key findings from these examples, and applying the methods learned to your own business and email newsletters, you can hopefully achieve the same positive outcome with your email marketing efforts.

New email success case studies are being published every month and I’ll continue to update this list as they become available. So keep checking back to read the current sources of information on email marketing.