How to Develop an Email Marketing Campaign That Drives Results

Table of Contents

Every business wants to drive more sales without blowing up their budget.

Email marketing is one of the few channels capable of consistently delivering on that promise. It’s direct, cost-effective, and consistently outperforms social, paid, and organic in ROI.

But there’s a disconnect. 

While most businesses use email, few are getting everything they could out of it. Too many email marketing campaigns are rushed, untargeted, or built on guesswork that leaves results (and revenue) on the table.

Email marketing delivers best ROI
Email Marketing Delivers Best ROI

This guide walks you through seven steps to build an email strategy that’s structured, scalable, and built to perform.

Whether you’re refining a system or starting fresh, this is a framework that will make email one of your strongest marketing channels.

Why Email Marketing Works—and Why It’s Underused

Despite its proven track record, email marketing is still one of the most underutilized tools in the marketing stack. 

Many teams treat it as a one-off tactic, when it should be treated as a channel that can reliably drive revenue when done right.

Here’s what makes email different and why it works so well when you build a strategy around it:

You Own the Audience

You’re not renting space from a social platform or relying on an algorithm to get your message seen. If someone’s on your list, it’s because they chose to be. That gives email a level of control and reliability you don’t get anywhere else.

Delivers Consistent ROI

Email marketing generates $36 for every $1 spent, according to a study from Litmus. Few, if any, other channels offer returns at that scale with such low acquisition costs. It’s high-leverage by nature—especially when optimized over time.

Scalable Personalization

Modern platforms let you tailor messaging based on behavior, demographics, or purchase history. With segmentation and dynamic content, you can send targeted, relevant messages to thousands—without sacrificing the personal touch.

Supports Every Stage of the Funnel

Email isn’t just for promotions. It can welcome new subscribers, nurture leads, drive conversions, recover abandoned carts, re-engage lapsed users, and more. No matter where someone is in their journey, email can meet them there.

Why Email Marketing Works
Why Email Marketing Works

Built for Testing and Optimization

You get real-time, actionable data—opens, clicks, conversions, unsubscribes—with every send. That means you can test, learn, and improve continuously. Email rewards iteration like few other channels do.

The Seven Steps to an Effective Email Marketing Campaign

If you want email to perform like the high-impact channel it can be, you need a structured approach that turns its potential into repeatable, measurable outcomes.

Email campaigns that drive results aren’t built on guesswork. They follow a clear structure. 

These seven steps will help you plan, execute, and optimize campaigns that create more engagement, more conversions, and more revenue.

1. Set Goals That Matter

Before writing a single line of copy, get clear on what you’re trying to achieve. 

Make sure every campaign has a purpose, whether it's driving downloads, nudging a user to convert, or re-engaging inactive subscribers.

Use the SMART framework to keep your email campaigns grounded:

  • Specific: Know exactly what you’re trying to do
  • Measurable: Tie the goal to a metric
  • Achievable: Be realistic about your resources
  • Relevant: Align with larger business objectives
  • Time-bound: Set a clear deadline

Example goals:

  • Grow your list by 10% by Q4
  • Lift click-through rates by 5% on your next promo series
  • Reduce unsubscribes by 10% over the next 60 days

2. Segment to Get Personal

A generic email to your whole list is rarely the right answer. 

Email Marketing Campaign Strategy
Email Marketing Campaign Strategy

Segmentation helps you tailor content based on who your prospects are, what they’ve done, and where they are in the funnel.

The most common segmentation is done by:

  • Demographics: Location, industry, job title
  • Behavior: What people clicked, what they bought, where they dropped off
  • Lifecycle stage: New lead, first-time buyer, loyal customer, inactive subscriber
  • Psychographics: Interests, values, motivations

The more specific the segment, the more relevant the message can be and the more likely it drives a favourable outcome.

3. Nail the Subject Line

If the subject line doesn’t catch interest or spark curiosity, your beautifully designed email never gets seen.

Here are some best practices for crafting subject lines that get higher open rates:

  • Keep it short (25–30 characters is ideal for mobile)
  • Use preview text to complement—not repeat—the subject
  • Avoid gimmicks (no all caps, no fake urgency)
  • Personalize when it makes sense
  • Test. Then test again.

A subject line isn’t just a label to attach to your email. It’s your hook.

4. Write Copy That Doesn’t Waste Time

Think of your email as a mini landing page. Every sentence should earn its place and drive the reader closer to your call to action.

Keep it focused. Be clear about the value. And use language that sounds like you.

Here are some writing principles to follow when crafting an email:

  • Use short sentences and paragraphs
  • Avoid jargon or corporate speak
  • Speak to one person, not an audience
  • Stick to one goal per email
  • Use dynamic content for personalization where it counts

The bottom line: Write like a human and show respect for your reader’s time.

5. Give Them a Reason to Click

Your call to action is the payoff. If your content sparks interest, your CTA converts it into action. Make it easy, obvious, and worth clicking.

Here are some tried, tested, and true examples:

  • Download the Guide
  • Start Free Trial
  • Get the Offer
  • Browse New Arrivals
  • Save My Spot

Don’t make your reader think too hard about what to do next. A strong CTA removes friction and channels intent into results.

6. Use Automation to Do More With Less

You can’t scale a program by sending everything manually. 

Automation turns behavior-based triggers into meaningful touchpoints while freeing up your time to focus on strategy.

Automation In Email Marketing
Automation In Email Marketing

Common behavior-triggered email automations include:

  • Welcome sequences for new subscribers
  • Abandoned cart reminders
  • Post-purchase thank you or review prompts
  • Event confirmations and follow-ups
  • Re-engagement campaigns for lapsed users

Most modern platforms make this simple: Take the time to set it up once and then let the system work for you.

7. Measure, Learn, Improve

You can’t manage what you don’t measure. 

Tracking your email performance isn’t just about looking at dashboards, though. It’s about understanding what’s resonating and where you’re losing people.

This requires an emphasis on all of the basic KPIs, including:

  • Open rate
  • Click-through rate
  • Conversion rate
  • Bounce rate
  • Unsubscribe rate
  • Spam complaints

Be wary of small sample sizes. Track trends over time, not just campaign to campaign. And then use the data you collect to refine content, rethink segmentation, or double down on what’s working.

Every send is a chance to learn. Don’t waste it.

How to Know If Your Email Strategy Is Actually Working

That final step is maybe the most important because it lays out how to measure performance. This can be extended even further, beyond opens, clicks, or a single conversion.

To understand whether your overall strategy is working, you need to zoom out. Look beyond isolated metrics and start asking questions: Are you building momentum? Driving results across the funnel? Making email more valuable to your business over time?

Here’s how to evaluate whether your email program is actually doing its job.

1. Connect Performance to Business Goals

Metrics matter—but only in context. High open rates are nice, but what matters more is whether your emails are supporting the outcomes that matter most to your business.

Go back to the goals you set. Did that campaign help increase product adoption? Did it drive revenue? Did it bring lapsed customers back into the fold?

email marketing performance benchmark
Email Marketing Performance Benchmark

Success means aligning email outcomes with broader marketing and business objectives—not just chasing clicks.

2. Track Engagement Over Time

One campaign won’t tell the full story. Look for trends in how your audience interacts with your emails across weeks or months.

Healthy signs include:

  • Repeat engagement from key segments
  • Growing interest in specific content types (product updates, offers, education)
  • Low unsubscribe and complaint rates
  • Continued interaction with automated workflows

If subscribers are sticking around and consistently engaging, your email program is creating lasting value.

3. Monitor List Quality, Not Just List Size

Growth is good—but only if the right people are signing up and staying engaged.

Pay attention to:

  • The source of new subscribers (Are they from gated content, events, purchases?)
  • The quality of their engagement once added
  • Churn rates and bounce trends

A smaller, highly engaged list is more powerful than a bloated one filled with disinterested names. Quality beats quantity every time.

4. Look at the Spillover Effect

Great email marketing doesn’t just impact inboxes—it amplifies other parts of your strategy.

Watch for:

  • Email driving consistent traffic to key landing pages or blog content
  • Increased social engagement after email sends
  • Better performance from paid channels using email-derived audiences

If your emails are lifting other metrics—beyond email itself—you’re building a more integrated and effective marketing engine.

5. Turn Insights Into Iteration

This is where strategy becomes system. Take what you've learned and use it to shape your next move.

Ask:

  • What campaigns or automations had the highest downstream impact?
  • What messaging resonated most with specific segments?
  • What fell flat, and why?

Your best-performing emails are often hiding clues to your next breakthrough. Use testing, reporting, and behavior signals to build on what’s working and leave behind what isn’t.

Turn Email Marketing Into a Scalable Growth Channel

When you stop treating email as just another box to check, it becomes one of the most powerful, measurable, and adaptable tools in your marketing stack.

But to get that value, you need more than a subscriber list and a newsletter template. You need structure. You need strategy. And you need a system that’s built for performance.

By following the seven steps outlined in this article—setting goals, segmenting strategically, writing with clarity, optimizing continuously, and learning from real data—you can turn email into a channel that increases conversions, boosts retention, and drives real revenue growth.

Respect your audience. Build with purpose. And make every message count.

That’s how email becomes one of your most profitable marketing assets.