Studies and Research

Data that speaks for direct mail.

Industry studies, statistics and research showing the real impact of physical mail on conversions, engagement and return on investment.

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1. October 2026

Direct Mail and GDPR: How to Contact Customers in Compliance with the Rules

Physical direct mail follows a different legal framework from marketing email. This study explains when direct marketing may rely on legitimate interest and how to use personalised QR codes and landing pages more safely.

Analyses
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17. August 2026

Postcard or letter? When to choose each direct mail format?

Postcard or letter? In direct mail the question often surfaces only at the design stage — yet the format is a matter of message function and customer lifecycle stage, not aesthetics. This study explains when a short postcard performs better, when a letter in an envelope earns its place, and why list quality and offer strength drive results more than the format itself.

Analyses
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28. July 2026

Customer Segmentation for Direct Mail: Who's Worth Mailing

Direct mail rarely fails because of the channel. It fails when the same piece reaches both a stranger and your most valuable customer. This study covers which segments are worth mailing — from lifecycle stage to the difference between a warm and a cold recipient — and why the greatest reactivation value sits in your own CRM.

Analyses
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18. June 2026

Direct mail as a supplier-funded channel: MDF, co-op, and trade promotion

When retail teams object to direct mail, the question is rarely the channel — it is the budget. Addressed mail to a retailer's loyalty file falls into the same eligibility bracket as the printed flyer: MDF, co-op, and trade promotion already pay for it, just under different names.

Analyses