What email marketing automation actually is
Email marketing automation means emails that send themselves when something happens: someone joins your list, books a call, buys, or goes quiet. You write each sequence once and it runs for every new person, at the right moment, without you remembering to hit send.
For a small business this matters more than newsletters. A one-off campaign reaches whoever happens to open it that day. An automated flow reaches every new lead at the moment they are most interested, which is usually the first few days.
Mailchimp vs Brevo vs Klaviyo vs MailerLite
These four tools cover most small business needs. They price in different ways, which matters more than the headline number. Figures below are starting prices in USD as published in late 2026 by the vendors or recent independent reviews; they rise with list size and change often, so check before you buy.
| Tool | Free plan | Paid plans from | Priced by | Best for |
|---|---|---|---|---|
| Mailchimp | Up to 250 contacts and 500 sends a month; no automation flows | About $13 a month (Essentials) or $20 a month (Standard) for 500 contacts | Number of contacts | Businesses that want a familiar tool with many integrations |
| Brevo | 300 emails a day; automation for up to 2,000 contacts | About $9 a month (Starter); about $18 a month (Standard) removes the automation contact cap | Emails sent per month, not contacts | Large lists you email occasionally, plus SMS and WhatsApp in one place |
| Klaviyo | Up to 250 active profiles and 500 emails a month | About $20 a month (Email); about $35 a month (Email and SMS) | Active profiles | Online shops, especially on Shopify |
| MailerLite | Up to 250 subscribers, 2,500 emails a month, 3 active automations | About $12 a month (Comfort) or $25 a month (Power) for 500 subscribers | Active subscribers | Service businesses and creators who want a simple editor |
A few notes. Mailchimp's Essentials plan allows only short flows; longer, branching journeys need Standard. MailerLite renamed its plans in June 2026 (Growing Business became Comfort and Advanced became Power) and cut its free plan from 500 to 250 subscribers, so older articles may show different limits. Klaviyo counts every contactable profile, which can push you into a higher tier even if you do not email them all.
If you already use a CRM such as HubSpot or Zoho, check its built-in email tools first. Keeping contacts in one place often beats adding another subscription. Our CRM guide for small businesses covers those options.
Five starter flows, with timing
You do not need dozens of automations. These five cover most of the value for a typical small business. Timings are sensible starting points, not rules: test and adjust.
1. Welcome email sequence
Trigger: someone joins your list through a form, a download or a purchase.
- Immediately: thank them, deliver anything you promised and say what to expect.
- Day 2: your story in a few lines and what makes you different.
- Day 4 or 5: answer the most common question or doubt people have before buying.
- Day 7: one clear offer or call to action, such as booking a call or a first-order discount.
2. Enquiry follow-up
Trigger: a contact form or quote request, with the flow stopping as soon as they reply or book.
- Within minutes: confirm you received it and link to your calendar.
- Day 2: a short, useful email, such as how your process works or a pricing guide.
- Day 5: a personal check-in from a named person.
- Day 10 to 14: a polite last note that leaves the door open.
Pair this with phone or WhatsApp follow-up, as covered in our lead follow-up guide.
3. Abandoned cart or abandoned booking
Trigger: someone starts checkout or a booking but does not finish.
- After 1 hour: a simple reminder with a link back.
- After 24 hours: answer likely objections such as delivery, returns or cancellation terms.
- After 48 to 72 hours: a final reminder, with an incentive only if your margins allow it.
4. Post-purchase
Trigger: a completed order or a finished job.
- Immediately: thank you and what happens next.
- Day 3 to 7: tips to get the most from what they bought.
- Day 10 to 14: a review request with a direct link.
- Day 30 to 60: a reorder reminder or a related product or service.
5. Win-back for inactive contacts
Trigger: no opens or clicks for 60 to 90 days, or no purchase for a period that fits your buying cycle.
- Email 1: "Still interested?" with your best recent content or offer.
- Email 2, a week later: ask what they would like to hear about, or let them choose fewer emails.
- Email 3, a week after that: a clear last message, then stop emailing people who do not respond.
Removing inactive contacts feels wrong, but it protects your sender reputation and, with most tools, lowers your bill.
Deliverability basics: make sure emails reach the inbox
Automation is useless if your emails land in spam. Three DNS records on your domain prove your emails are really from you:
- SPF lists the services allowed to send email for your domain.
- DKIM adds a digital signature showing the message was not altered.
- DMARC tells inboxes what to do with mail that fails those checks, and sends you reports.
Since February 2024, Google and Yahoo require every sender to use SPF or DKIM and to keep spam complaints below 0.3%. Bulk senders, roughly 5,000 or more messages a day to Gmail addresses, must also set up SPF, DKIM and DMARC (a policy of at least p=none) aligned with the From domain, and offer one-click unsubscribe that is honoured within two days. Microsoft brought in similar rules for Outlook.com, Hotmail and Live addresses from 5 May 2025. Most small businesses are below the bulk threshold, but following the rules anyway is the simplest way to stay out of spam.
Deliverability checklist
- Send from your own domain, never from a Gmail or Hotmail address.
- Follow your email tool's domain authentication steps for SPF and DKIM.
- Publish a DMARC record, starting with p=none, and read the reports.
- Use a double opt-in or at least a clear consent checkbox. Never buy lists.
- Keep an unsubscribe link in every marketing email.
- Monitor complaints in Google Postmaster Tools and aim well below 0.1%.
- Remove hard bounces and long-term inactive contacts regularly.
How to measure whether it works
Give each flow a month before judging it, then look at a few numbers that connect to money rather than vanity:
- Click rate per email: shows which messages people find useful. A steady drop across a sequence tells you where it gets too long.
- Conversions from each flow: bookings, replies or orders that came after a flow email. Most tools can track this if you connect your shop or booking page.
- Unsubscribes and complaints: a spike after one email means the content or timing is off.
- Time to first contact: for enquiry follow-up, how quickly every lead hears from you.
Change one thing at a time, such as a subject line or the delay between two emails, so you know what made the difference. If your forms, CRM and email tool do not talk to each other, a connector can link them; our Zapier vs Make vs n8n guide explains the options.
Common mistakes to avoid
- Building everything at once. Launch the welcome sequence first, then add one flow a month.
- Selling in every email. Mix useful content with offers so people keep opening.
- No exit rules. Make sure someone who buys or books leaves the sales flow straight away.
- Not testing. Run every flow with your own address and check links on a phone.
- Measuring only opens. Apple's privacy features inflate open rates, so track clicks, replies, bookings and sales.
Want help setting up your first flows?
dhowly sets up email tools, CRMs and the automations that connect them, and writes first flows with you so they sound like your business. Book a free 15-minute call through our contact form. We work with businesses worldwide, in English and French.
Frequently asked questions
Which is cheapest: Mailchimp, Brevo, Klaviyo or MailerLite?
It depends on your list. Brevo charges by emails sent rather than contacts, so it is often cheapest for large lists you email occasionally. For small lists, MailerLite and Brevo start at about $9 to $12 a month, while Mailchimp Standard and Klaviyo start at about $20. Prices rise with list size, so compare at your real numbers.
Can I do email automation on a free plan?
Partly. Brevo's free plan includes automation for up to 2,000 contacts with a 300 emails a day limit, and MailerLite's free plan allows three active automations. Mailchimp's free plan does not include automation flows. Klaviyo's free plan works for very small lists.
How many emails should a welcome sequence have?
Three to five emails over the first week or two is a good starting point. Send the first immediately, then space the rest two to three days apart, and finish with one clear call to action.
Do the Google and Yahoo sender rules apply to small businesses?
The strictest rules apply to bulk senders of about 5,000 or more messages a day to Gmail. Every sender must still use SPF or DKIM and keep spam complaints low. Setting up SPF, DKIM and DMARC anyway is quick and helps all your email reach the inbox.
Should I use my CRM for email instead of a separate tool?
If your CRM includes marketing email, start there: contacts, deals and emails stay in one place. A dedicated tool makes sense when you need advanced ecommerce flows, much larger lists or cheaper sending at volume.
