Postcard Frequency and Timing: How to Get the Cadence Right
One of the most common questions from brands starting with direct mail is: how often should we send? Send too rarely and you miss the revenue opportunity. Send too often and you create fatigue, generate opt-outs, and waste print and postage budget on customers who are not responsive. The right frequency depends on your campaign type, your customer purchase cycle, and how you use direct mail relative to your other channels. This guide provides a practical framework for timing and frequency decisions.
Frequency by campaign type
Not all postcard campaigns have the same frequency logic. Lifecycle campaigns — triggered by customer behaviour — fire once per trigger event. A win-back campaign fires once when a customer crosses your inactivity threshold. A birthday campaign fires once per year. A post-purchase thank-you fires once after the first order. These campaigns have natural frequency built in: the customer's behaviour determines when and how often they receive them. The frequency question becomes more complex for promotional campaigns (seasonal sales, new collection launches) that you might send on a schedule rather than in response to a trigger. For promotional campaigns, a maximum of one postcard every six to eight weeks is a practical upper limit. Beyond that, physical mailbox fatigue sets in, and the postcard loses its novelty premium.
Timing within the win-back window
For win-back campaigns, timing relative to the last purchase is the most important variable. The data consistently shows that response rates peak in the 60–90 day post-purchase window and decline thereafter. Customers lapsed 60–90 days are still likely to remember your brand positively and have lower competitive switching costs than those lapsed 180+ days. If you send too early (before 45 days), you may interrupt a customer who is planning to reorder naturally and you erode margin unnecessarily. If you send too late (beyond 120 days without a prior contact), the response rate drops sharply. The recommended trigger for a first win-back postcard is 60–75 days post-last-order, with a follow-up postcard at 100–120 days if there is no response. This two-touch approach recovers significantly more customers than a single send while respecting frequency limits.
Day of week and seasonality effects
Direct mail is delivered Monday to Saturday across most European postal networks. Tuesday through Thursday deliveries tend to generate the highest response rates — Monday mail competes with a full week's backlog of administrative tasks, and Friday mail competes with the weekend. For B2C e-commerce, weekend mornings are the highest-conversion period for online shopping, so a card arriving Thursday or Friday can catch the customer at the right moment. Seasonal timing matters: campaigns arriving in the first two weeks of December compete with an unusually crowded letterbox and reduced attention. Mid-January is one of the strongest periods for win-back direct mail — customers have cleared their holiday spending mindset and are receptive to offers. August is a weak period for Northern European markets but strong for Southern Europe. Build seasonal patterns into your direct mail calendar.
Delivery timing across European postal networks
Postcards sent from European print facilities typically take 2–5 business days to arrive, varying by country. Germany, Netherlands, and Belgium typically see 2–3 day delivery. France and Italy are 3–4 days. Southern and Eastern Europe may be 4–6 days. Plan your campaign triggers with delivery lead time in mind: if you want cards to arrive before a promotion ends on 31 May, your print-and-post window should close by 25 May at the latest. For time-sensitive campaigns like birthday cards (you want them to arrive a few days before the birthday, not after), build in a 7-day buffer before the target delivery date. Mayday handles the production and dispatch; your job is to set triggers with sufficient lead time.
Building a sustainable annual direct mail calendar
Rather than making frequency decisions campaign by campaign, build an annual calendar that allocates your direct mail touchpoints across the year. A reasonable structure for a mid-size e-commerce brand: lifecycle campaigns running continuously (win-back, post-purchase, birthday) — these run automatically and do not count against your promotional calendar. Promotional campaigns: 4–6 per year at key trading moments (Valentine's Day, spring launch, summer sale, back-to-school, Black Friday, Christmas). Assign each promotional campaign a target segment to avoid overlapping audiences. The result is a predictable direct mail rhythm that customers experience as consistent brand communication rather than erratic discount-pushing. Review the calendar quarterly and adjust based on response data from completed campaigns.
Set up lifecycle and promotional postcard campaigns with automated timing — Mayday handles the scheduling.
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