The best email marketing campaigns are not clever blasts. They are automated flows that earn on autopilot, plus a few well-timed broadcasts when you need a spike. The top earners, in order: a welcome series, an abandoned cart flow, a post-purchase flow, a win-back flow, and well-timed promotional and VIP broadcasts. Email returns about R36 for every R1 spent on average, and up to R45 in retail and ecommerce, per Omnisend's 2026 data, the highest of any channel. Automated flows earn far more per email than broadcasts. This is the exact campaign stack we build for ecommerce clients at V8 Media, the team behind R2+ billion in client sales.
Why email is still the highest-ROI campaign you can run
Every other channel is rented. Facebook, Instagram, TikTok, Google. The algorithm decides who sees you and what you pay.
Email is different. The people on your list said yes. No auction. No algorithm in the middle. You own the line straight to them.
And it pays better than anything else. Email returns about R36 for every R1 spent on average, and up to R45 for every R1 in retail and ecommerce, per Omnisend's 2026 benchmarks.
Compare that to paid search and social ads, which industry estimates put at only a couple of Rand back per R1. Email is not close. It laps the field.
But here is the part most stores miss. Not all email campaigns are equal. A random "10% off this weekend" blast is the weakest thing you can send.
The campaigns that actually make money are the ones that go out automatically, triggered by what a customer just did. Those are the winners. Let's rank them.
The 7 best email marketing campaigns, ranked by what they earn
Here is the order we build these for clients. Top to bottom, biggest money first.
| Campaign | Type | What it does | Why it earns |
|---|---|---|---|
| Welcome series | Automated flow | Greets new subscribers, makes the first sale | Peak interest. ~34% open rate, highest revenue per email (Omnisend) |
| Abandoned cart | Automated flow | Wins back people who nearly paid | ~50% open, ~3.3% buy. Recovers sales you already earned (Klaviyo) |
| Post-purchase | Automated flow | Confirms, cross-sells, builds loyalty | Order emails hit ~54% open. A captive, happy audience |
| Win-back | Automated flow | Re-engages buyers who went quiet | Cheaper than buying a new customer from scratch |
| Promotional / flash sale | Broadcast | Drives a revenue spike on demand | A real deadline drives a spike of orders on the day you pick |
| VIP / loyalty | Broadcast + flow | Rewards your best spenders | Repeat buyers cost nothing to acquire again |
| Browse abandonment | Automated flow | Nudges people who looked but did not add to cart | Catches intent earlier than the cart flow |
ROI figures from Omnisend's 2026 email marketing benchmarks. Welcome and abandoned cart open and conversion rates from Omnisend and Klaviyo published benchmark data. Order confirmation open rate from widely cited industry email benchmarks.
1. The welcome series: your highest earner per email
The moment someone subscribes is peak interest. They just raised their hand. Do not waste it on silence.
A welcome series is a short run of automated emails that fires the second someone joins your list. It says hello, tells your story, and makes the first offer.
It is the single highest-earning automation most stores own. Welcome emails average around a 34% open rate, well above a normal send, per Omnisend's benchmarks.
Keep it simple. Email one: welcome plus the promised incentive. Email two: your story and why you exist. Email three: your best sellers and a reason to buy now.
We break the whole sequence down in our ecommerce welcome email series guide. Build this one first. Always.
2. The abandoned cart flow: money you already earned
Most people who add to cart never pay. They get distracted, the kid cries, the kettle boils, the bus arrives.
An abandoned cart flow brings them back. It fires automatically when someone leaves items behind, with a gentle reminder and, if needed, a small nudge.
The numbers are strong. On Klaviyo's benchmark data, cart flows average around a 50% open rate and recover a meaningful slice of lost orders. A 10 to 15% recovery rate is solid.
Think about that. These are buyers who already chose your product. You are not selling cold. You are reminding warm.
Send the first email within an hour, while they still remember. Add a second a day later. We cover the full setup in our abandoned cart automation playbook.
3. The post-purchase flow: sell to the people already buying
A customer just paid you. That is peak trust. Most stores celebrate with a cold receipt, then go quiet.
Big miss. Order confirmation emails get opened by more than half of recipients, around a 54% open rate on industry benchmarks. Everyone checks their order.
So use that open. Confirm the order, then ride the attention. Suggest a matching product. Share how to get the most from what they bought.
A buyer who just spent R900 is far more likely to spend again than a stranger. The hard part, earning trust, is done.
This flow turns one sale into two and three. It quietly lifts your average order value and your customer lifetime value without a cent of ad spend.
4. The win-back flow: cheaper than a new customer
Every list goes quiet over time. People buy once, then drift. A win-back flow taps them on the shoulder.
It fires when a buyer has not opened or bought in a set window, say 60 or 90 days. The message is simple. "We miss you. Here is a reason to come back."
Why bother? Because winning back a past buyer is far cheaper than buying a brand-new one through ads. The relationship already exists.
Pair it with a real offer or a what's-new update. Some come back. The ones who don't, prune them. A lean list beats a zombie one every time.
5. The promotional broadcast: your on-demand revenue spike
This is the campaign most people think of first. The flash sale. The payday special. The Black Friday push.
A broadcast goes to a chunk of your list at once. Used right, it creates a spike of orders on the day you choose.
The trick is urgency. A real deadline. "Ends Sunday at midnight." A genuine cut-off consistently lifts clicks, because a vague "sale on now" gives nobody a reason to act today.
One warning. Do not blast your whole list a discount every week. You train people to wait for the sale and you wreck your margin. If you want to see what a constant discount really costs you, read our guide on ecommerce profit margins.
Use promos as a spike, not a staple. Three or four big ones a year beat a tired weekly markdown.
6. The VIP and loyalty campaign: feed your best spenders
Not all customers are equal. A small slice of buyers usually drives most of your revenue. Treat them like it.
A VIP campaign rewards your top spenders. Early access to a drop. A members-only discount. A free gift on a big order.
It is part broadcast, part flow. You can trigger it once someone crosses a spend threshold, or send it as a planned campaign to your top segment.
Repeat buyers cost nothing to acquire again. Keeping them happy is the cheapest growth you will ever find. Most stores chase strangers and ignore the gold already on their list.
7. The browse abandonment flow: catch intent even earlier
The cart flow catches people who added to cart. Browse abandonment catches the step before, the ones who looked at a product and left.
It fires when someone views a product page but never adds it. A soft nudge. "Still thinking about this one?"
Lower intent than a cart. Keep it light, one soft nudge, not a guilt trip. But it widens your net to people the cart flow never sees.
Set it up once the welcome, cart, and post-purchase flows are live. It is the polish, not the foundation.
Automated flows vs broadcast campaigns: where the money really is
Here is the split that matters most. Flows versus broadcasts.
A broadcast is a one-off email you send to a list on a date. A flow is an automation that fires off a trigger, on its own, forever.
| Automated flows | Broadcast campaigns | |
|---|---|---|
| How it sends | Triggered by behaviour, runs on autopilot | Sent manually to a list on a chosen date |
| Earnings per email | Much higher. Right message, right moment | Lower. Same message to everyone |
| Effort | Build once, runs for years | New work every single send |
| Best for | The bulk of your email revenue | Spikes, launches, news, seasonal pushes |
| Examples | Welcome, cart, post-purchase, win-back | Flash sale, payday special, product launch |
The lesson is simple. Flows do the heavy lifting. They earn far more per email than broadcasts because they hit the right person at the right second.
Most stores get this backwards. They blast broadcasts and never build the flows. So they work hard for small spikes and leave the steady money on the table.
Build your flows first. Then layer broadcasts on top for the spikes. That is the stack that prints.
What actually makes an email campaign convert
The campaign type matters. But two stores can run the same welcome series and get wildly different results. Here is why.
A subject line that earns the open
No open, no sale. The subject line is the whole game at the front door.
Keep it short, curious, and clear. Say what is inside or spark a question. Over half of all emails get opened on a phone, per Litmus, so write for a small screen with little text showing.
Segmentation, so the right person gets the right email
Sending one email to everyone is lazy and it costs you. Split your list by what they bought and how they behave. The Direct Marketing Association says it can lift revenue by up to 760%. That number sounds absurd. It is not.
Split by what they bought, what they clicked, and how much they spend. A R5,000 repeat buyer should never get the same email as a once-off R200 shopper.
Timing that fits the buyer
The right email at the wrong time is a dead email. Cart reminders work within the hour. Win-backs work after a quiet stretch.
And in South Africa, timing means payday. More on that below. Get the moment right and the same message earns double.
One clear job per email
One email, one goal, one button. Five links and three offers split attention and kill clicks.
Decide the single action you want, then make that button impossible to miss. Confused readers do nothing.
The South African edge: payday and WhatsApp
Global guides skip the two things SA stores can actually use to make these campaigns hit harder.
Payday. South Africans buy in a rhythm tied to the 25th. Time your promotional broadcasts to land right when the salary hits, and you sell into a full wallet, not an empty one.
Send the same flash sale on the 10th and the 25th, and the 25th wins almost every time. Free money for matching the calendar.
WhatsApp. South Africans live on WhatsApp. DataReportal's 2025 report puts WhatsApp use among the country's internet users above 90%, far ahead of email engagement.
So run your best campaigns across both. A short, opted-in WhatsApp message about a payday sale often gets read in minutes when an email waits in the inbox for hours.
Get permission first. Only message people who said yes. Done right, it is the fastest channel you own. Done wrong, it is spam.
The mistakes that kill email campaigns
Blasting the whole list the same email
One message to everyone ignores the 760% lift segmentation can bring. Split your list. Send the right email to the right person.
Discounting every single week
Constant promos train buyers to wait and shred your margin. Save the deep discount for real spikes like payday and Black Friday.
Building broadcasts and skipping the flows
The flows earn the steady money. A store with no welcome or cart flow is leaving its easiest revenue on the table every day.
Writing for desktop when everyone reads on a phone
More than half of opens happen on mobile, per Litmus. A long subject line and a tiny button lose the sale before it starts.
Never cleaning the list
Dead emails drag down deliverability, so even your great campaigns start landing in spam. Prune people who have not opened in months.
How to build your campaign stack in 30 days
Want all of this running inside a month? Do it in this order. Foundation first.
- Week 1: pick your platform (Klaviyo or Omnisend), connect your store, and build the welcome series. Your highest earner goes live first.
- Week 2: set up the abandoned cart flow and the post-purchase flow. That is most of your automated revenue covered.
- Week 3: add the win-back and browse abandonment flows, and a WhatsApp opt-in for SA buyers.
- Week 4: plan your broadcast calendar around payday and the big sale dates, and send your first segmented promo.
By day 30 the flows run on autopilot and your broadcasts have a calendar. The machine earns while you sleep, while you eat, while you sit in Joburg traffic.
And if you do not have a list to send to yet, start there. Here is how to build an ecommerce email list fast, then point this stack at it.
The tools that make it easy
You do not need a developer. The platforms do the heavy lifting.
- Email platform: Klaviyo or Omnisend. Both plug into Shopify and WooCommerce with flows, segmentation, and templates built in. Klaviyo is the heavyweight for stores that want to scale.
- Flows: the welcome, cart, post-purchase, and win-back automations are pre-built templates in both. You edit, you turn them on.
- WhatsApp: an opted-in tool that connects to your store for the SA hello.
- Traffic to fill the list: Meta Ads and Google Ads to send qualified visitors to your opt-in offer at scale.
Set the flows up once. They sell on repeat. The broadcasts add the spikes. Together they are the cheapest growth most stores never bother to build.
Frequently asked questions
What is the best type of email marketing campaign?
The welcome series. It fires the moment someone subscribes, at peak interest, and earns the most revenue per email of any campaign, with open rates around 34% on Omnisend's benchmarks. Build it before anything else.
What are the best email marketing campaigns for ecommerce?
A welcome series, an abandoned cart flow, and a post-purchase flow do most of the work. Add a win-back flow, browse abandonment, and a few well-timed promotional broadcasts around payday and big sale dates.
Are automated flows better than broadcast campaigns?
Flows earn far more per email because they hit the right person at the right moment, triggered by what they just did. Broadcasts are best for spikes, launches, and seasonal pushes. Build your flows first, then layer broadcasts on top.
How much can email marketing make for a store?
Email returns about R36 for every R1 spent on average, and up to R45 in retail and ecommerce, per Omnisend's 2026 data. That is the highest return of any marketing channel they measured, far ahead of paid search and social ads.
How often should I send marketing emails?
Let your flows run automatically off triggers. For broadcasts, a planned calendar beats random sends, often weekly value content with three or four big promotional spikes a year. Do not discount every week or you train buyers to wait and hurt your margin.
What makes an email campaign actually convert?
A subject line that earns the open, segmentation so the right person gets the right email, timing that fits the buyer, and one clear action per email. The same campaign earns wildly different results depending on these.
Does WhatsApp beat email for campaigns in South Africa?
Use both. South Africans open WhatsApp far more than email, so an opted-in WhatsApp message about a payday sale gets read faster. Email carries the detail and the brand story. Together they beat either one alone.
Which email platform is best for these campaigns?
Klaviyo or Omnisend for ecommerce. Both have the welcome, cart, post-purchase, and win-back flows as pre-built templates, plus segmentation and pop-ups. Klaviyo is the heavyweight for stores that want to scale.
Key takeaways
- The best email campaigns are not clever blasts. They are automated flows plus a few well-timed broadcasts.
- The top earners, in order: welcome series, abandoned cart, post-purchase, win-back, then promotional and VIP broadcasts.
- Flows beat broadcasts. They earn far more per email because they hit the right person at the right moment.
- What converts: a strong subject line, segmentation, timing, and one clear action per email.
- In South Africa, time promos to payday and run your best campaigns on WhatsApp too.
