Email marketing is the channel with the most documented ROI in digital marketing. Not because it is the most glamorous — it isn’t — but because the email list is an asset owned by the company, not rented from a platform that can change the rules at any time.
The difference between email marketing and marketing automation is often misunderstood. Clarifying it is the first step to building an effective system.
Email Marketing vs Marketing Automation: The Distinction
Email marketing is sending email communications to a list of contacts. Periodic newsletters, seasonal promotions, product updates. The logic is broadcast: one message to many, at the same time.
Marketing automation is sending personalized communications, triggered by user behavior, at the right moment in their journey. There is no operator deciding when to send: it is the contact’s behavior that triggers the communication.
The practical distinction: a monthly newsletter is email marketing. An email that sends automatically three days after a user downloads a white paper, with content relevant to their interest, is marketing automation.
The two approaches complement each other. The newsletter maintains the relationship over time. Automation converts leads into customers at the moment of maximum relevance.
The Fundamental Automated Flows
Welcome Sequence
The welcome flow is the sequence of emails received by a new subscriber in the days following subscription. It’s the flow with the highest open rate — often 3–4 times the average of subsequent newsletters — because attention is at its peak at the time of subscription.
Common mistake: using the welcome sequence to sell immediately. The goal of the welcome sequence is to build trust and expectation, not close sales. Those who try to sell before building value burn the most precious attention they have.
Effective structure for a B2B SME (5 emails in 14 days):
Email 1 (day 0 — immediate): Welcome + delivery of the promised resource (if the subscription was in exchange for a lead magnet) + brief presentation of what they will find in the list.
Email 2 (day 2): The main problem the company solves, told from the customer’s point of view — not the services offered.
Email 3 (day 5): A case study or concrete example that demonstrates value. With real data, not generic statements.
Email 4 (day 9): A free educational resource (article, guide, tool) relevant to the target’s problem. Demonstrates generosity and competence.
Email 5 (day 14): Soft CTA — invitation to a consultation, to explore a service, to reply with a question. With low pressure, not artificial urgency.
Lead Nurturing Sequence
For leads who have shown interest (visited key pages, downloaded resources, watched demos) but haven’t converted yet.
The logic: most purchase decisions do not happen at the first contact. In B2B, the average sales cycle for medium-high value services is 3–12 months. Nurturing keeps the brand present and progressively builds preference during this period.
Content of the nurturing sequence:
- Educational content relevant to the lead’s problem (not the company’s service)
- Case studies of clients similar to the lead (same sector, same size, same challenge)
- Evidence of competence (measurable results, methodologies)
- Response to the most common objections (anticipate and dissolve doubts before they block the sale)
- Gradual CTAs: from the softest (read this article) to the most direct (book a call)
Post-Purchase Onboarding
The purchase confirmation email is the most opened email a company sends — often at 70–90% open rate. Yet most companies use this email only to confirm the transaction.
A post-purchase onboarding flow transforms a new customer into an engaged customer who understands the value of what they bought, uses the product/service correctly (reducing churn and support requests), and more quickly becomes a brand advocate.
Structure for professional services:
Email 1 (immediate): Confirmation + clear next steps. What happens next? When will the first interaction be? Who is the contact person?
Email 2 (after 2–3 days): Practical guide to preparing/working with the team. Reduces new customer uncertainty.
Email 3 (after 1 week): Proactive check-in. “How’s it going? Do you have questions?” — even if automated, an email asking this signals care.
Email 4 (after 30 days): Request for feedback. NPS survey, or simply “what’s working well and what could we improve?”. Early feedback prevents silent problems.
Re-engagement and List Cleaning
An email list with inactive contacts is not an asset: it’s a problem. Inactive contacts lower average open rates (impacting deliverability), consume resources if you pay per contact, and damage sender reputation if left for too long.
Re-engagement flow:
Email 1: “Do you miss us?” — light tone, explicit request to know if they want to continue receiving communications.
Email 2 (after 7 days if no action): Concrete value offer (free resource, discount, exclusive content) as an incentive for re-engagement.
Email 3 (after 7 days if still no action): “This is the last email we will send you if you don’t reply” — the closing communication often has the highest open rate of the entire sequence.
Those who do not react after the re-engagement flow should be removed from the active list.
Segmentation: The Principle That Multiplies Results
Segmentation is the practice of dividing the list into homogeneous groups and sending different communications to different groups based on their characteristics or behavior.
The principle is simple: a relevant message for a specific segment always performs better than a generic message sent to everyone. “Guide for purchasing managers in the manufacturing sector” converts better than “guide for professionals” — even if the latter reaches more people.
Most effective segmentation criteria:
Behavioral: Did they open the last 5 emails? Did they click on specific content? Did they visit the pricing page? Behavior is the most reliable signal of interest and intent.
By funnel stage: cold lead (subscribed but never interacted), warm lead (interacted with content), MQL (showed commercial interest), SQL (requested information or demo), active customer, ex-customer.
Demographic/firmographic (for B2B): sector, company size, role. Allows personalizing messages and case studies by context.
By product/interest: Did they download resources on topic X? They receive content on X, not on Y.
Tools: How to Choose the Right Platform
The market for email marketing and automation tools is vast. The choice depends on volume, complexity of flows, and integration with CRM and other tools.
For SMEs with basic–medium needs (< 10,000 contacts, moderate flows):
- Brevo (formerly Sendinblue): good price/feature ratio, intuitive UI, lightweight integrated CRM, good support in Europe
- Mailchimp: the most widespread, accessible interface, great for newsletters, basic automation
- Kit (formerly ConvertKit): ideal for creators and companies focusing on content marketing, flexible tagging and segmentation
For SMEs with advanced needs (CRM integration, scoring, complex automation):
- ActiveCampaign: powerful visual automation, integrated CRM, native lead scoring
- HubSpot: complete ecosystem (CRM + email + social + ads) with generous free plan and expensive premium plans
- Klaviyo: standard for e-commerce with deep integrations with Shopify and WooCommerce
For those building custom systems:
- Resend + React Email: for developers who want total control over templates and deliverability
- Postmark or SendGrid: transactional email providers for custom systems
Deliverability: The Most Ignored Technical Problem
Deliverability is the percentage of emails that actually arrive in the recipient’s inbox (and not in spam). It is the technical prerequisite for any email strategy.
Main factors influencing deliverability:
Sending domain reputation: email providers (Gmail, Outlook, Yahoo) evaluate the reputation of the sending domain based on bounce rate, spam reports, engagement. A compromised reputation sends emails to spam even for contacts who would like to receive them.
Email authentication (SPF, DKIM, DMARC): DNS records that certify the emails sent are authorized by the domain owner. Without these records, many providers filter emails as potentially fraudulent.
List quality: high bounce rate (invalid emails) and spam reports (users flagging the email as spam) damage reputation. Regular list cleaning and double opt-in for new subscriptions.
Engagement: Gmail in particular values engagement (opens, clicks, replies) as a positive signal. Lists with low engagement should be segmented and emails to inactive contacts sent with caution.
Marfcode designs and implements custom marketing automation systems — from choosing the platform to building the flows, from CRM integration to deliverability optimization.
→ Talk to us about your email marketing system
Related article: Social Media and Digital Marketing for SMEs: complete guide | Content marketing for SMEs: how to build an editorial system
