Writing Email Copy That Converts
The most beautiful template means nothing without compelling copy. Master the art of email copywriting to turn subscribers into engaged readers and customers.
Subject Lines: Your First Impression
Subject lines determine whether your email gets opened. With average open rates around 20-25%, most of your carefully crafted content never gets seen. Subject line optimization is arguably the highest-leverage activity in email marketing.
Subject Line Formulas
- Question format: "Struggling with [problem]?" Creates curiosity and relevance
- How-to: "How to [achieve outcome] in [timeframe]" Promises specific value
- Number lists: "5 ways to improve your [topic]" Sets clear expectations
- Curiosity gap: "This one change transformed our [metric]" Creates intrigue
- Personalization: Using name, location, or behavior data increases relevance
Subject Line Best Practices
- Keep under 50 characters for mobile display
- Front-load important words
- Avoid spam triggers like excessive caps and exclamation points
- Test variations to learn what resonates with your audience
- Match the subject to content; broken promises destroy trust
Preview Text Strategy
Preview text (preheader) appears alongside the subject line in most email clients. This is valuable real estate that many marketers waste with "View in browser" or empty space.
Use preview text to extend or complement your subject line. If the subject creates curiosity, the preview can add context. If the subject states a benefit, the preview can reinforce urgency.
Body Copy Principles
Write for Scanners
Most email readers scan rather than read word-by-word. Structure your copy for scanning: short paragraphs, bullet points, bold key phrases, and clear subheadings. The main message should be clear from a quick scan.
Lead with Value
Open with the benefit to the reader, not information about yourself. "You can now..." is stronger than "We are excited to announce..." Focus on what the reader gains.
One Email, One Goal
Each email should have a single primary objective. Multiple competing messages dilute effectiveness. If you have multiple things to say, consider whether they warrant separate emails.
Create Urgency Thoughtfully
Urgency motivates action, but false urgency destroys trust. Use genuine deadlines, limited availability, or time-sensitive benefits. Avoid manufactured urgency that readers will see through.
Call-to-Action Copy
CTA buttons deserve special copywriting attention. Generic CTAs like "Click Here" or "Learn More" waste an opportunity to motivate action.
Action-Oriented Language
Start CTAs with verbs: "Get," "Start," "Download," "Join," "Discover." These words imply action and forward momentum.
Specific Outcomes
Tell readers what happens when they click. "Start Your Free Trial" is clearer than "Learn More." "Download the Guide" is better than "Click Here."
First-Person Perspective
"Get My Free Guide" can outperform "Get Your Free Guide" by helping readers mentally claim the offer. Test both approaches with your audience.
Tone and Voice
Your email voice should reflect your brand personality while feeling appropriate for email's personal nature. Email lands in someone's personal inbox; it should feel like communication, not advertising.
Write like you are talking to one person, not a crowd. Use "you" more than "we." Be conversational without being unprofessional. Match your tone to the email type; transactional emails can be more formal than promotional ones.
AI-Assisted Copywriting
Sequenzy generates not just templates but complete email copy. Describe your goals and audience, and the AI produces compelling subject lines, preview text, body copy, and CTAs. This is particularly valuable for maintaining consistent quality across many emails.
Rhythm: One Idea Per Paragraph
An Email Should Have One Job
The most common copy defect is an email that wants to announce, remind, and sell in one message. Every additional purpose makes the reader decide harder and click less. Write one primary purpose per email, then cut or split the extras into a separate send.
Write the CTA First
Budget your copy around the action: if the email exists to get a trial started, the sign-up path is the spine and everything else supports it. Copy written to justify a button performs differently from copy written to fill layouts — and readers can tell.
Email Copywriting FAQ (continued)
How long should marketing email copy be?
As long as the message requires and no longer: many high-performing offers are a couple of paragraphs plus a button; narrative newsletters can run much longer, but they keep one primary idea per paragraph and scan cleanly on mobile.
Do emoji in body copy raise engagement?
Sparing use can convey warmth, and stacks of emoji read as noise — the effect depends more on audience thanachu on the emoji itself. Test with your own list rather than adopting a rule that works for someone else's audience.
Should email copy be written by AI?
AI is a tool, and it's very good at first drafts. Where tone, specificity, and reader context matter — which is most lifecycle email — a human edit pass matters more than the drafting tool. Use AI to get moving, then edit toward your voice.
More guides: the email template design guide, subject line formulas, and the template library.
One Idea Per Email
The commonest copy defect is an email that wants to announce, remind, and sell at once. Readers decide harder and click less. Give each send one primary job, and split anything that belongs to a different lifecycle moment into its own message — sequences exist precisely so that one email does not have to do everything.
Write the CTA First
If the email exists to start a trial, the trial action is the spine and everything supports it. Copy written backward from the CTA reads more purposefully than copy that arrives at the action at the bottom paragraph — and it makes the subject line arrive naturally too.
How long should marketing email copy be?
Long enough for genuine value and short enough to finish in one sitting — in practice, a few hundred words for most campaign emails, with one primary idea per paragraph and scannable headings.
Write for the Skimmer First
Most readers scan before they read. Make the core message clear within the first paragraph and the section headings, so a 3-second scan still delivers the gist. Content that works for a 3-second skimmer also reads better in full — clearer organization benefits everyone.
Edit Out Adverbs and Intensifiers
The most common copy-editing gift is deletion: 'very', 'really', 'extremely', and 'just' rarely add information and usually slow the reader. One edit pass that removes intensifiers and collapses repeated sentences reliably tightens emails without changing their meaning.
How do I keep email copy consistent with a small team?
Keep a short voice guide — two or three sentences about tone, words you avoid, and one or two example paragraphs. It outperforms a long brand book because editors can actually apply it, send after send.
Negative Space Is a Copy Decision
Tightening copy is not only deletion — strategic whitespace, headings, and paragraph spacing change how much of your message the reader actually attempts. Two hundred well-spaced words often read as shorter than a hundred crowded ones. Layout and copy are one decision, not two.
Trust Beats Cleverness
Voice and cleverness belong in moderation; the reader is, above all, deciding whether to trust the sender. Copy that honors the promise made in the subject line, delivers the content it says it will, and offers an honest next step outperforms clever copy with hedged promises in nearly every lifecycle context.
How do I beat writer’s block on campaign copy?
Steal structure rather than content: pick a working template from a previous campaign and rewrite around your current news. Momentum comes from a scaffold, not from waiting for inspiration.
A Draft Loop That Works Under Deadline
Structure first, wording second: outline the subject, the one primary idea, and the CTA before writing a full paragraph. Drafts built in that order are easier to tighten and less dependent on mood; a deadline-quality draft rarely comes from writing forward from the first sentence.