How to Send Email Marketing Campaigns That Get Results

Originally published: 26 July 2020
Last updated: April 2026

Email remains one of the most effective ways to reach prospects, nurture leads and stay visible with existing customers. It gives you direct access to people who have already shown interest in your business, and when it is done properly, it can generate enquiries, repeat sales and stronger customer relationships at a relatively low cost.

The challenge is that many businesses send emails without a clear plan. They rely on generic messages, weak subject lines or broad mailing lists, then wonder why open rates are low and clicks never turn into action. To send email marketing campaigns that get results, you need more than a mailing list and a template. You need a clear objective, the right audience, strong messaging and a process for measuring what works.

This guide explains how to approach email marketing in a practical, commercially useful way. Whether you are running email marketing for small business growth, promoting a service, launching a product or re-engaging old leads, the same principles apply. The better your planning and execution, the more likely your campaign is to deliver a return.

What makes a successful email marketing campaign

A successful campaign is not just one that gets opened. It is one that moves the reader towards a useful business outcome. That could be booking a consultation, downloading a guide, making a purchase, requesting a quote or simply taking the next step in your sales process.

Good email marketing strategy starts with understanding what success looks like before you write a single line.

Define the goal before you send

Every campaign should have one primary goal. If you try to achieve too much in one email, the message becomes diluted and the reader is less likely to act.

For example, a UK accountancy firm might send one email focused on booking year-end tax planning calls. A local retailer might send a campaign promoting a limited-time seasonal offer. A B2B service provider might send a lead nurturing email designed to encourage a discovery call. Each of these has a different purpose, and the content should reflect that.

Before sending, ask:

• What do we want the reader to do?
• Why does this matter to the business?
• How will we measure success?
• What action should happen after the click?

This helps shape everything else, including the subject line, body copy, call to action and landing page.

A common mistake is sending a newsletter-style email packed with updates, offers, blog links and company news, all competing for attention. Unless your audience actively expects a digest, this often reduces response. A focused email with one clear message usually performs better.

Choose the right audience and offer

Even strong copy will underperform if it goes to the wrong people. Relevance is one of the biggest drivers of email open rates and click-through performance.

Start by segmenting your list. You do not need a complex system to do this well. In many cases, simple segmentation based on customer type, service interest, purchase history, location or stage in the buying journey can make a big difference.

For example:

• A solicitor may send different emails to family law enquiries and commercial clients
• A trades business may separate domestic customers from commercial property managers
• An ecommerce brand may target previous buyers with related product recommendations
• A consultant may send one campaign to warm leads and another to existing clients

The offer also needs to match the audience. A discount may work for some sectors, but in professional services, a useful consultation, audit, checklist or case study may be more effective. The key is to give the recipient a clear reason to engage now.

If the audience and offer are well matched, your campaign has a much better chance of generating meaningful action.

How to plan your email campaign properly

Strong campaigns are usually built before the email is ever designed. Planning reduces mistakes, keeps messaging focused and makes it easier to assess performance later.

Build a simple campaign brief

A campaign brief does not need to be long, but it should cover the essentials. This is especially important if more than one person is involved in content, design, approvals or sending.

A practical campaign brief should include:

• The campaign goal
• The target audience
• The main message
• The offer or value proposition
• The call to action
• The landing page or destination
• The send date and time
• Any supporting assets needed
• How success will be measured

For example, if you are promoting a free website review for local businesses, your brief might state that the goal is to generate consultation bookings from small business owners in Scotland. The audience is existing leads and newsletter subscribers who have shown interest in digital marketing. The message is that a quick review can identify missed opportunities. The call to action is to book a review through a dedicated landing page.

This level of clarity makes writing easier and keeps the campaign commercially aligned.

If you need support with planning, writing and managing campaigns as part of a wider strategy, our Marketing Packages can help you build a more effective approach.

Set timing, frequency and segmentation

Timing matters, but not as much as relevance. There is no universal best day or hour for every business. What matters is when your audience is most likely to notice and act on your message.

For B2B campaigns, weekday mornings often perform well, especially when the email supports a business decision. For consumer campaigns, evenings or weekends may be stronger depending on the product or service. The best approach is to test and compare.

Frequency also needs careful thought. Send too often and people unsubscribe or ignore you. Send too rarely and they forget who you are. A sensible schedule depends on your audience, your sales cycle and how much useful content you genuinely have.

As a guide:

• Weekly can work for active ecommerce promotions or regular content-led brands
• Fortnightly suits many service businesses
• Monthly is common for general updates and lead nurturing
• Ad hoc campaigns can support launches, events or seasonal offers

Segmentation should be built into this planning stage, not added as an afterthought. If one campaign is going to multiple audience groups, consider whether each group needs a different version. Even small changes to the opening paragraph, offer or call to action can improve results.

This is where email marketing software becomes valuable. Most platforms allow you to segment lists, automate sends, personalise content and track behaviour. You do not need the most expensive platform, but you do need one that gives you visibility and control.

How to write emails people actually open and click

Once the planning is done, the writing needs to be clear, relevant and easy to act on. Good campaign copy is not about sounding clever. It is about helping the reader understand the value quickly and making the next step obvious.

Create subject lines and preview text that work

The subject line is one of the biggest factors in whether your email gets opened. It needs to earn attention in a crowded inbox without sounding vague, misleading or overly promotional.

Effective subject lines are usually:

• Clear rather than cryptic
• Specific rather than generic
• Relevant to the reader
• Short enough to display well on mobile
• Connected to the content inside

Examples include:

• Book your free website review this month
• A simple way to improve your Google visibility
• 3 email campaign mistakes costing you leads
• Your spring service reminder
• Still interested in reducing your ad spend waste?

Preview text is often overlooked, but it can strengthen the open decision. It should support the subject line, not repeat it. Think of it as a second chance to explain why the email matters.

For example:

Subject line: Book your free website review this month

Preview text: We will show you where your site may be losing traffic and enquiries

Avoid clickbait. If the subject line overpromises and the email does not deliver, trust drops quickly. That affects future engagement and can damage your sender reputation over time.

If you want to send email marketing campaigns consistently well, build a habit of testing subject lines. A simple A/B test between two versions can reveal whether your audience responds better to direct benefit-led wording, urgency, questions or more personalised phrasing.

Write clear copy with one strong call to action

The body of the email should do three things:

• Show the reader you understand their situation
• Explain the value of what you are offering
• Make the next step easy

Start with a strong opening. The first few lines should quickly establish relevance. For example, if you are emailing small business owners about lead generation, open with a challenge they recognise, such as inconsistent enquiries, poor website conversion or wasted ad spend.

Keep paragraphs short and readable. Most people scan emails before deciding whether to engage properly. Dense blocks of text reduce response, especially on mobile.

Use plain language. Avoid jargon unless your audience expects it. If you are writing to business owners, managers or decision-makers, clarity usually outperforms complexity.

A simple structure works well:

• Opening line that identifies the issue or opportunity
• A short explanation of the value or offer
• A few supporting points or benefits
• One clear call to action

For example, a local marketing consultant might write:

Many small businesses are investing in digital marketing without knowing which channels are actually generating enquiries.

Our marketing review helps you identify what is working, where the budget is being wasted and what to improve first.

You will get:

• A quick review of your current activity
• Practical recommendations
• Clear next steps based on your goals

Book your review here.

That is straightforward, specific and action-led.

The call to action should be singular and obvious. If the goal is to book a call, say so. If the goal is to download a guide, make that the focus. Avoid multiple competing buttons or links unless there is a strong reason.

How to send email marketing campaigns the right way

Good content can still fail if the technical side is neglected. Sending properly means checking the campaign before launch, protecting deliverability and making sure the experience is smooth for the recipient.

Test before you launch

Testing should be part of every campaign, even if it is a simple one. Small errors can reduce trust, break the user journey or make your business look careless.

Before sending, check:

• Subject line and preview text
• Personalisation fields
• Spelling and grammar
• Links and buttons
• Images and formatting
• Mobile display
• Landing page performance
• Tracking setup

Send test emails to yourself and, ideally, to a colleague. Open them on desktop and mobile. Click every link. Read the email as if you were the recipient. Ask whether the message is clear, whether the call to action stands out and whether the destination page matches the promise in the email.

Also check whether the email feels too long. In many cases, tighter copy improves click-through rates because it gets to the point faster.

If you are using automation, test the workflow as well. Make sure the right people receive the right message at the right time. A mistimed follow-up or incorrect trigger can create a poor impression.

Check deliverability, mobile design and compliance

Deliverability is critical. If your emails are landing in spam or promotions folders unnecessarily, performance will suffer no matter how good the content is.

To support deliverability:

• Use a reputable email marketing software platform
• Keep your list clean and remove inactive or invalid contacts
• Avoid buying email lists
• Use a verified sending domain
• Set up authentication records such as SPF, DKIM and DMARC where possible
• Maintain consistent sending habits
• Avoid overly spammy language and formatting

List quality matters more than list size. A smaller, engaged list will usually outperform a larger, poorly maintained one.

Mobile design is equally important. A large proportion of business emails are opened on phones. If the layout is awkward, text is too small or buttons are hard to tap, you will lose clicks.

Make sure your emails:

• Use responsive templates
• Have clear spacing and readable font sizes
• Keep important content near the top
• Use buttons that are easy to tap
• Load quickly
• Do not rely on images alone to communicate the message

Compliance is non-negotiable. In the UK, your email activity should align with data protection and privacy rules, including GDPR and PECR where relevant. That means having a lawful basis for sending, being transparent about how data is used and giving recipients a clear way to unsubscribe.

Do not hide the unsubscribe link or make opting out difficult. It is better to let disengaged contacts leave than to keep sending to people who no longer want to hear from you.

Email campaign best practices are not just about performance. They are also about protecting your brand and building trust.

How to measure and improve campaign performance

The businesses that get the best results from email marketing are usually the ones that review performance consistently and adjust over time. Improvement comes from evidence, not guesswork.

Track opens, clicks and conversions

At a basic level, every campaign should track:

• Open rate
• Click-through rate
• Click-to-open rate
• Conversion rate
• Unsubscribe rate
• Bounce rate

Open rate gives you a rough indication of how effective your subject line and sender name are, although privacy changes mean it should not be treated as a perfect measure. Click-through rate is often more useful because it shows whether the content and call to action generated interest.

Conversion rate matters most. If people click but do not complete the next step, the issue may be on the landing page rather than in the email itself.

For example:

High opens, low clicks may suggest the email content is weak or the offer is not compelling

• Low opens may point to poor subject lines, weak list quality or deliverability issues
• Good clicks, low conversions may indicate a mismatch between the email and the landing page
• High unsubscribes may mean the content is irrelevant or the frequency is too high

For email marketing for small business, even a modest list can produce strong returns if you track the right metrics and act on them. A campaign sent to 500 engaged contacts can outperform one sent to 5,000 disengaged names if the message is targeted and the offer is relevant.

Use tracking links, goal completions and CRM data where possible so you can connect email activity to actual enquiries and revenue, not just surface-level engagement.

Use results to improve the next campaign

The real value of reporting is what you do with it. After each campaign, review what worked and what did not.

Ask questions such as:

• Which segment responded best?
• Which subject line style performed better?
• Did the offer match the audience?
• Was the call to action clear enough?
• Did the landing page convert well?
• Was the send time effective?
• Did mobile users behave differently from desktop users?

Then apply those insights to the next campaign.

For example, if one audience segment consistently clicks on educational content but ignores direct sales emails, you may need a longer nurturing sequence before making an offer. If one type of subject line improves email open rates, use that learning in future sends. If shorter emails generate more clicks, simplify your copy.

Over time, this creates a stronger email marketing strategy based on real audience behaviour.

It is also worth reviewing inactive subscribers regularly. If people have not opened or clicked for a long period, consider a re-engagement campaign. Ask whether they still want to hear from you, offer something useful or invite them to update their preferences. If they remain inactive, remove them. This helps maintain list quality and supports deliverability.

Email marketing works best as an ongoing process, not a one-off task. The more disciplined your testing and review process, the more reliable your results become.

Sending better campaigns starts with better decisions

To send email marketing campaigns that get results, you need a clear goal, the right audience, a relevant offer and copy that makes action easy. You also need to send at the right time, test properly, protect deliverability and measure what happens after the click.

None of this needs to be overcomplicated. In fact, the most effective campaigns are often the simplest. One message, one audience, one call to action and one clear business objective.

If your current campaigns are underperforming, the answer is rarely to send more emails. It is to send better ones. Better planned. Better written. Better targeted. Better measured.

That is how email becomes a reliable channel for generating leads, increasing sales and strengthening customer relationships.

If you want help planning and managing email campaigns that support your wider marketing goals, Steve Welsh Marketing can help you build a smarter, more effective approach. Get in touch to discuss how to improve your email marketing strategy and turn more sends into real business results.

If you need support with planning, writing and managing campaigns as part of a wider strategy, our Marketing Packages can help you build a more effective approach.