A strong welcome series turns new subscribers into engaged customers before they've had a chance to forget why they signed up. Whether you're building it in Klaviyo or Mailchimp, the fundamentals stay the same.
Why welcome emails matter
Welcome emails consistently see far higher open and click rates than regular campaigns, because subscribers are most engaged right after opting in. That first 48-hour window is your best opportunity to set expectations and drive a first purchase.
Structuring a 3-5 email flow
- Email 1 (immediate): Thank the subscriber, deliver any promised incentive, and set expectations for what they'll receive.
- Email 2 (day 1-2): Share your brand story or best-selling products to build trust.
- Email 3 (day 3-4): Highlight social proof - reviews, UGC, or testimonials.
- Email 4 (day 5-6): A gentle nudge with a limited-time offer if they haven't purchased.
- Email 5 (day 7+): Ask for feedback or offer a way to self-segment based on interests.
Klaviyo vs Mailchimp for welcome flows
Klaviyo's flow builder gives more granular conditional splits based on browsing and purchase behavior, which makes it easier to branch subscribers by interest. Mailchimp's Customer Journeys are simpler to set up and are a solid choice if you're just getting started with automation.
Getting started
Start simple with a 3-email sequence, measure open, click, and conversion rates for each email, then expand the flow once you see where subscribers drop off.