Final answer:
The correct re-entry setting for a post-purchasing communication journey with NTO is 're-entry only after exiting'. This setting balances the need for relevant customer communication without overwhelming them with messages before they complete their current journey.
Step-by-step explanation:
In the scenario of a journey for post-purchasing communication with NTO (Next-To-Open), the correct re-entry setting is typically re-entry only after exiting. This setting ensures that the customer does not receive multiple communications until they have completed their current journey.
When designing a post-purchase communication journey, the settings chosen are critical to providing a smooth customer experience and preventing message fatigue. Choosing the 'no re-entry' setting would prevent the customer from receiving further communication if they make additional purchases. 'Re-entry anytime' can result in customers receiving too many messages, which could be overwhelming or perceived as spam. 'Re-entry after time' may not align with the immediate follow-up often desirable in post-purchasing scenarios, where the goal is to confirm the purchase, provide additional information, or encourage further engagement immediately after the transaction.
Hence, 're-entry only after exiting' is usually the best practice as it allows customers to re-enter the post-purchase communication stream following the completion of a preceding journey, such as after they have received their purchase or post-purchase support has concluded.