Post-Purchase Email Marketing and Subject Line Examples

Aug 9

Post-purchase email marketing may be the most underutilized yet powerful email marketing tactic. A strategic, well-thought-out series can help increase customer retention and help build brand loyalty and advocacy. The best part of all is that these messages are automated, generating revenue while you sleep.

Creating a series of messages designed to enhance the purchase experience is something every retailer should implement. With each message and series sent, taking into consideration the individual's purchase history is important. After all, a loyal customer may not need the same nurturing or messaging as a first-time purchaser.

Post-Purchase Email Metrics

Order follow-up (2026)

Open rate: 47.63%
Click-to-sent: 4.01%
Conversion rate: 0.84%
Click-to-conversion: 20.87%
AOV: $129
Revenue per send: $1.08

Cross-sell (2026)

Open rate: 42.09%
Click-to-sent: 2.93%
Conversion rate: 0.75%
Click-to-conversion: 25.50%
AOV: $106
Revenue per send: $0.79

Feedback request/product review (2026)

Open rate: 50.70%
Click-to-sent: 3.66%
Conversion rate: 1.07%
Click-to-conversion: 29.16%
AOV: $131
Revenue per send: $1.40

For context, the average scheduled campaign email generates just $0.18 per send. Even the most modest post-purchase automation, cross-sell at $0.79, delivers more than 4 times that value. Order follow-up and feedback request emails both clear $1.00 per send, making them highly effective automated messages.

Types of Post-Purchase Email Messages

As you can see, post-purchase messages well outperform regular email campaigns, and there are no limits to the types of messages you could send in a post-purchase series, including:

“Thank you” message (w/ or w/o an incentive).
Product care/tips and tricks.
How-to resources.
Customer service info/guarantees.
Product recommendations or cross-selling opportunities.
Social invites or crowdsourcing (Share a photo with us!).
Manage preference request.
Product reviews.
Reorder reminders.
Gift-giving or date reminder requests.
Refer-a-friend invitations.

When building your automated post-purchase marketing program, have fun, be creative, and, most importantly, make your customers’ purchase experience better.