Direct-mail glossary

List segmentation

List segmentation is the process of dividing a mailing list into distinct sub-groups based on shared characteristics — such as last-visit date, service type, geography, or demographic — so each group receives a more relevant message.

Why it matters

Sending the same generic postcard to every person on your list is a starting point, but segmentation can meaningfully improve response. A dental practice might segment patients into: (1) overdue for cleaning, (2) due for annual X-rays, and (3) inactive for more than two years — each group gets a postcard with messaging specific to their situation. A veterinary clinic might separate dog owners from cat owners to tailor the artwork and offer. Segmentation requires a list with enough data fields to split on (last-visit date, service history, ZIP code), and it increases the number of distinct mailings you manage — but even simple two-way splits often outperform a single undifferentiated blast. The goal is relevance: the more the card feels like it was meant specifically for the recipient, the more likely they are to act.

CardCadence

How CardCadence handles it

CardCadence lets you upload separate contact lists for each mailing, so you can run segmented campaigns without any complex configuration. Upload one list for a recall drop, a different list for a new-patient offer, and another for a seasonal promotion — each as a separate campaign. You pay per card for each list, with no minimum per campaign, so small targeted segments are economically feasible.

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