Email automation is often over-complicated (elaborate 20-step journeys that nobody maintains) or under-built (a single welcome email and nothing else). The reality is that four or five well-constructed automation sequences, properly maintained, deliver the majority of email programme revenue. Here’s what those sequences are.

1. The Welcome Sequence

The welcome sequence is the highest-engagement period for any new subscriber. Open rates are typically 2–3x your average in the first 7 days. This is when you establish the relationship, set expectations, and deliver your best value.

Structure: Email 1 (immediate): Deliver the promised value and introduce the brand. Email 2 (day 2–3): Your most useful content or product — not a pitch. Email 3 (day 5–7): A soft introduction to your offer with a specific, time-limited incentive.

Don’t make this sequence 10 emails. Three strong emails with a clear progression outperform five mediocre ones.

2. Abandoned Cart (E-commerce)

Abandoned cart email sequences recover 5–15% of abandoned carts in most e-commerce categories. The data on optimal timing: Email 1 at 1–2 hours has the highest recovery rate. Email 2 at 24 hours with social proof (reviews) adds incremental recovery. Email 3 at 72 hours with an incentive (free shipping or small discount) captures the fence-sitters.

Keep these short. Lead with the product image and name. The copy can be minimal — “You left something behind” with a clear CTA works better than elaborate narrative.

3. Post-Purchase Sequence

The post-purchase period is chronically underutilised. A customer who just bought from you is at peak brand engagement. Use this window for: an order confirmation with a genuine personalised message (not just logistics), a onboarding/usage sequence if the product benefits from it, a review request at the optimal time (after delivery + a few days of use), and a replenishment prompt for consumable products.

4. Browse/Content Abandonment

For B2B or considered-purchase e-commerce: trigger an email when a subscriber visits a high-intent page (pricing, specific product category, comparison page) without converting. This requires your email ESP to have site tracking enabled. The email should acknowledge what they looked at and offer a relevant resource, case study, or invitation to talk. Done well, this sequence can be among your highest-converting automations.

5. Win-Back Sequence

For subscribers who haven’t clicked in 90+ days (using click engagement, not open rate), a 2–3 email re-engagement sequence with a compelling reason to stay is worth running quarterly. This maintains list health and occasionally converts dormant subscribers. Anyone who doesn’t engage with the win-back should be suppressed — not as a punishment but because deliverability benefits from a clean, engaged list.

The Maintenance Reality

Automation sequences degrade. Offers expire, products change, copy becomes stale. Build a quarterly audit into your calendar — review each active automation for accuracy, relevance, and performance. The sequences that were set up two years ago and never touched are almost certainly underperforming.