Mailchimp E-Commerce Automations: Getting More From Your Campaigns

Mailchimp has grown significantly as an e-commerce tool over the past few years. What was once a basic broadcast email platform now includes a Customer Journey Builder, native e-commerce integrations, product recommendations, transactional email support, and predictive analytics. For brands sitting on Mailchimp and wondering whether to squeeze more out of it or move on, the answer often depends on whether they have actually explored what the platform can do.

This guide covers the practical mechanics of setting up Mailchimp’s e-commerce automation features — what works well, how to configure it properly, and where you will hit the ceiling.

Mailchimp’s Customer Journey Builder for E-Commerce

The Customer Journey Builder is Mailchimp’s primary automation tool. It replaces the older Automation feature with a more visual, branching flow interface. For e-commerce brands, the most important starting points are the pre-built journey maps Mailchimp provides.

Setting Up a Welcome Journey

The welcome series is the highest-ROI automation for most e-commerce stores, and Mailchimp’s journey builder handles it well. Start with a trigger set to “Contact added to audience” filtered by subscription source (e.g., your pop-up form or checkout opt-in).

A functional welcome journey for e-commerce looks like:

Email 1 (Immediate): Welcome + brand intro + first-purchase incentive. This is your highest-open email; make it count.
Wait 2 days
Email 2: Bestsellers or product categories — help the subscriber understand the range
Wait 3 days
Condition branch: Did they purchase? If yes, exit this journey and move to post-purchase. If no, continue.
Email 3: Social proof focus — reviews, press mentions, customer stories
Wait 3 days
Email 4 (for non-purchasers): Final nudge with urgency on the welcome discount

Mailchimp’s condition branching is functional but limited compared to Klaviyo. You can branch on email activity (opened, clicked, did not open) and on contact activity (made a purchase, did not make a purchase), but the conditional logic does not go deeper than two or three levels without becoming difficult to manage visually.

Abandoned Cart Journey

Mailchimp’s abandoned cart automation requires a connected e-commerce integration — Shopify, WooCommerce, BigCommerce, or Magento. Once connected, the abandoned cart trigger fires when a contact adds items to their cart and does not complete checkout within a configurable window (typically one hour).

Mailchimp’s abandoned cart journey supports dynamic product content — the specific items left in cart are automatically pulled into the email using Mailchimp’s merge tags. The *|ABANDONED_CART_ITEMS|* content block renders product images, names, prices, and a checkout link specific to that session.

For most stores, a two or three email abandoned cart sequence is the right structure:

Email 1 (1 hour post-abandonment): Cart reminder with product details, no discount
Email 2 (24 hours post-abandonment): Cart reminder with social proof (review or press quote), optionally a small discount
Email 3 (48–72 hours post-abandonment): Final recovery attempt, stronger incentive if appropriate

Set a purchase activity condition between each email so that buyers who convert after the first message do not continue receiving the sequence.

Post-Purchase Journey

Mailchimp’s post-purchase journey triggers from the “Purchases” activity event. The immediate post-purchase email should be separate from the transactional order confirmation — this is a marketing email that deepens the relationship.

A post-purchase journey structure that works:

Email 1 (Day 1–2 after fulfilment): Thank you + product care tips or usage guide + set expectations for a review request coming soon
Email 2 (Day 7–14, product-dependent): Review request using Mailchimp’s review integration or a manual link to your review platform
Email 3 (Day 21–30): Cross-sell or related products based on what they purchased
Email 4 (Day 45–60, for non-repeat-purchasers): Replenishment prompt or complementary product recommendation

Product Recommendations in Mailchimp Emails

Mailchimp’s product recommendation feature uses purchase history data from connected e-commerce stores to suggest relevant products. It is available on paid plans and requires the e-commerce integration to be active and populated with sufficient order history.

How Product Recommendation Blocks Work

Inside the email editor, you can insert a “Product Recommendations” content block. Mailchimp’s algorithm selects products from your store catalogue based on the recipient’s purchase history and browsing behaviour. The block renders product image, name, price, and a CTA link.

You have limited control over the specific products shown — Mailchimp handles the selection logic automatically. This differs from Klaviyo’s approach, which allows more granular control over the recommendation algorithm. For most small to mid-sized stores, Mailchimp’s automatic selection works adequately. For stores where recommendation precision matters (high-SKU catalogues, technical products), the lack of control is a genuine limitation.

Best Placements for Product Recommendations

Product recommendation blocks work best in:

Post-purchase emails (complementary products to the recent purchase)
Re-engagement campaigns (show what is new or trending to lapsed subscribers)
Regular newsletters (a “recommended for you” section at the bottom of content-led emails)

Avoid using recommendation blocks as the primary content in cold emails — the algorithm needs purchase data to work well, and new subscribers with no history will receive generic “popular products” suggestions that are less personalised.

Transactional Email in Mailchimp

Transactional emails — order confirmations, shipping notifications, password resets — can be sent via Mailchimp Transactional (previously Mandrill). This is a separate add-on product, not included in standard Mailchimp plans.

Configuring Mailchimp Transactional

Mailchimp Transactional is an SMTP relay and API service. You configure it by connecting your sending domain, setting up DNS authentication (SPF, DKIM, DMARC), and then routing your transactional email through Mailchimp’s API or SMTP endpoint instead of your e-commerce platform’s default email provider.

The benefit of centralising transactional and marketing email on the same platform is unified deliverability monitoring and a single sender reputation to manage. The downside is cost — Mailchimp Transactional is priced per block of 25,000 emails per month, which adds up for high-volume transactional senders.

Transactional Email Templates

Mailchimp Transactional supports responsive HTML templates with dynamic variable insertion. Transactional emails should be kept clean and functional — order details, shipping tracking, clear next steps. Adding subtle marketing elements (a review request link on the order confirmation, a “while you wait” product suggestion on the shipping notification) is acceptable and can drive additional engagement without crossing into promotional territory.

Where Mailchimp’s E-Commerce Automation Capability Ends

Mailchimp is a genuinely capable platform for e-commerce automation at small to mid-scale. The constraints become relevant as stores grow:

Limited conditional logic depth: Mailchimp’s journey branching works for simple conditions but becomes unwieldy for complex multi-path flows. Stores with sophisticated segmentation needs — tier-based loyalty, multi-product replenishment cycles, high-touch VIP sequences — will find the builder limiting.

Weaker e-commerce data model: Klaviyo stores all purchase data as first-class events with full product detail. Mailchimp’s e-commerce data integration is functional but less granular. Reporting on revenue per flow, LTV by segment, and purchase frequency cohorts is more difficult in Mailchimp.

No native predictive sending: Klaviyo’s send-time optimisation is native and ML-driven. Mailchimp offers send time optimisation on paid plans, but it is less sophisticated.

Product recommendation control: As noted above, you cannot override Mailchimp’s recommendation algorithm for specific use cases.

For stores under £300–400k in annual revenue, Mailchimp’s automation capability is often sufficient. Above that threshold, the revenue opportunity from more sophisticated flows typically justifies the cost and migration effort of moving to a more advanced platform.

How Excelohunt Works With Mailchimp Brands

Whether you are looking to extract more from your current Mailchimp setup or evaluating whether it is the right platform for where your store is going, the answer starts with an honest audit of what your email programme is currently achieving versus what it should be generating.

The Excelohunt team audits and builds Mailchimp automation programmes for e-commerce brands, and helps brands evaluate whether migration to a more advanced platform makes financial sense for their specific situation.

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