How to Write Marketing Emails That Get Results

Author Avatar

Fazle Rabbi

5 min read •
Jun 13, 2025
Marketing
Email marketing remains a cornerstone of digital communication, connecting businesses directly with their audience. In 2025, there are approximately 4.6 billion email users worldwide, a figure expected to grow to over 4.8 billion by 2027, according to OptinMonster. Research suggests that 60% of consumers prefer email as their primary channel for brand communication, and email marketing offers an impressive return on investment (ROI) of 4,200%, as noted by Luisa Zhou in Sixth City Marketing. This makes it a cost-effective strategy for businesses of all sizes. However, with inboxes more crowded than ever, crafting marketing emails that stand out requires a strategic approach. This guide offers practical steps to craft effective marketing emails that engage and convert, while maintaining authentic and impactful content.
1

Understanding Your Audience

Understanding audience
Knowing your audience is the foundation of successful email marketing. Tailoring your emails to their preferences and behaviours increases engagement and drives results.

Segment Your Email List

Segmentation involves dividing your email list into smaller groups based on specific criteria to send targeted content. Common segmentation factors include demographics (age, gender, location), purchase history, engagement levels (open rates, clicks), and interests based on past interactions. For example, an online retailer might send loyalty rewards to recent buyers, re-engagement offers to lapsed customers, or welcome discounts to new subscribers. According to SendGrid, segmenting by purchase history or open times can significantly boost engagement.

Personalise Your Emails

Personalisation goes beyond using a recipient’s name. It involves leveraging data to create relevant content, such as recommending products based on past purchases. Research indicates that personalised emails can improve click-through rates by 13% and revenue by 41%, as cited in Sixth City Marketing. Use customer data thoughtfully to ensure personaliSation feels genuine and not overly intrusive.

2

Crafting Compelling Subject Lines

image (1)-3
The subject line determines whether your email gets opened or ignored. A well-crafted subject line is concise, engaging, and relevant.

Keep It Short and Impactful

Subject lines under 70 characters tend to have higher open rates, as they display fully on mobile devices, according to Business.com. Aim for 3-5 words when possible, as suggested by SendGrid, to grab attention quickly.

Create Urgency or Curiosity

Incorporate action-oriented words or phrases that spark curiosity or urgency. For example, “Limited Time: 50% Off Today!” or “Discover Our Exclusive Offer” can entice recipients to open the email.

Avoid Spam Triggers

Words like “free” or excessive punctuation can flag your email as spam, reducing deliverability. Use clear, honest language to ensure your email reaches the inbox.

Test Different Approaches

A/B testing subject lines helps identify what resonates with your audience. Experiment with tone, length, or personalization to optimize open rates.
3

Writing Effective Email Copy

Writing Effective Emails
Once opened, your email’s copy must engage readers and guide them toward action. Effective copy is clear, concise, and focused on the recipient.

Focus on Benefits

Highlight how your product or service benefits the reader rather than listing features. For example, instead of “Our tool has advanced analytics,” say “Gain insights to grow your business faster.”

Use a Conversational Tone

Write as if speaking to a friend, using “you” and “your” to make the email personal. Keep sentences short and avoid jargon for clarity, as recommended by Fulcrumtech.

Make It Scannable

Readers often skim emails, so use short paragraphs, bullet points, and subheadings. For example:

  • Save Time: Our solution streamlines your workflow.
  • Boost Results: Proven strategies to increase sales.
  • Act Now: Limited offer ends soon.

Include a Clear Call to Action (CTA)

Every email should have a single, clear purpose, reflected in the CTA. Use action-oriented verbs like “Shop Now” or “Learn More” to prompt immediate action.

Proofread Thoroughly

Typos or broken links can harm credibility. Double-check your copy before sending to ensure professionalism.

4

Designing Your Email for Impact

Email Design
A well-designed email enhances readability and reinforces your brand, making it more likely to engage recipients.

Maintain Brand Consistency

Use your brand’s colours, fonts, and logo to create a cohesive experience. Consistent design builds trust and recognition, as noted by SendGrid.

Optimise for Mobile

With many emails opened on mobile devices, use responsive designs with single-column layouts, 14-16 px fonts, and touch-friendly CTAs. GetResponse emphasises testing designs across devices for compatibility.

Use Images Strategically

High-quality images can enhance your message, but optimise them for fast loading and include ALT text for accessibility. Balance image-to-text ratios to avoid spam filters.

Consider Dark Mode

As 80% of users switch to dark mode, ensure your email adapts with transparent images and an appropriate colour scheme, according to GetResponse.

Make CTAs Visually Distinct

Place CTAs above the fold, using contrasting colours and whitespace. Avoid image-based CTAs, as they may not display if images are blocked.

5

Testing and Optimising Your Emails

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Continuous improvement is key to successful email marketing. Testing and analytics help refine your strategy.

Conduct A/B Tests

Test one element at a time, such as subject lines or CTAs, to identify what drives better results. SendGrid recommends ensuring a significant sample size for accurate insights.

Track Key Metrics

Monitor open rates, click-through rates, conversion rates, and unsubscribe rates to gauge performance. These metrics reveal what’s working and what needs adjustment.

Use Analytics Tools

Most email marketing platforms provide analytics to track subscriber behaviour. Use these insights to optimise future campaigns.

Iterate Based on Data

Adjust your strategy based on test results, such as tweaking send times or refining copy, to improve engagement over time.

6

Compliance and Best Practices

Email Best Practices
Adhering to legal and industry standards ensures trust and deliverability in your email marketing efforts.

Follow Regulations

Comply with laws like CAN-SPAM (US) Hawkins, or GDPR (Europe), which require clear unsubscribe options and transparent sender information.

Maintain a Clean Email List

Regularly remove inactive or invalid email addresses to improve deliverability. SendGrid suggests quarterly cleanups to maintain list health.

Use Double Opt-In

Require subscribers to confirm their sign-up to ensure genuine interest, reducing spam complaints.

Provide Value

Offer valuable content, such as educational insights or exclusive deals, to keep subscribers engaged and reduce unsubscribes.

Be Transparent

Use a recognisable sender name and avoid deceptive subject lines to build trust with your audience.

7

Conclusion

Writing effective marketing emails is a blend of strategy and creativity. By understanding your audience, crafting compelling subject lines, writing engaging copy, designing visually appealing emails, testing your campaigns, and following best practices, you can create emails that resonate and drive results. Start applying these tips today to elevate your email marketing strategy and achieve measurable success in 2025.

Senior RevOps Strategist at Hubxpert

Tonmoy Baidya

Fazle Rabbi

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