What Is Direct Mail Retargeting and How To Get Started

Francesco Gatti
March 21, 2025

Direct mail retargeting is a powerful marketing strategy that allows businesses to reconnect with potential customers after they visit a website but leave without taking action. 

Unlike digital retargeting ads and email campaigns, which rely on cookies, tracking pixels, and inbox visibility, direct mail retargeting uses physical mail to reach these prospects. This creates a tangible and personalized touchpoint that stands out in today’s digital-heavy marketing landscape.

With increasing competition for online attention, direct mail offers a unique advantage by cutting through the noise and delivering a message directly to a customer’s mailbox. When combined with email and digital marketing efforts, it can enhance engagement, boost conversions, and improve overall return on investment.

This guide explores how direct mail retargeting works, which industries benefit the most, best practices for success, and how businesses can get started with a seamless direct mail strategy using Opensend Postal.

What Is Direct Mail Retargeting?

Direct mail retargeting is a marketing strategy that allows businesses to follow up with website visitors by sending them personalized physical mail after they leave a site without converting. 

Instead of relying solely on digital ads or email retargeting, this approach delivers tangible mail pieces — such as postcards, brochures, or personalized letters — directly to potential customers' homes.

Businesses can leverage website tracking data to identify visitors, match them to a postal address, and send relevant offers or reminders. This method is particularly effective in industries where direct mail has traditionally performed well, such as retail, real estate, and automotive.

Direct mail retargeting works best when combined with other marketing channels, including email and digital advertising, to create a comprehensive omnichannel strategy that increases engagement and conversion rates.

Direct Mail Retargeting vs. Digital Retargeting Ads

While digital retargeting ads and direct mail share a common goal — re-engaging potential customers — there are key differences between the two approaches.

  • Tangible vs. Digital:Direct mail provides a physical touchpoint that recipients can hold onto, while digital retargeting relies on display ads, social media, and email campaigns.
  • Ad Fatigue vs. Lasting Impact: Digital retargeting ads can be ignored, blocked, or lost in an inbox, whereas direct mail has a longer shelf life and is often revisited multiple times.
  • Targeting and Privacy: Digital ads rely on cookies and tracking pixels, which are becoming more restricted due to privacy regulations. Direct mail retargeting, however, is based on first-party data and postal matching, making it a reliable alternative.
  • Engagement Rates: Direct mail boasts higher response rates than digital ads, especially for high-value purchases or personalized offers.

For businesses looking to maximize their retargeting efforts, combining both digital and direct mail strategies can create a well-rounded approach that improves customer engagement and conversion rates.

What Are Some Other Best Practices for Direct Mail Campaigns?

Personalization

Personalized direct mail increases engagement by making the message more relevant to the recipient. 

Rather than generic mailers, businesses can customize content based on browsing behavior, past purchases, or abandoned carts. A real estate company might highlight homes in a buyer’s preferred location, while an online retailer could feature an item a customer viewed but didn’t purchase.

Segmentation

Grouping recipients based on their level of interest, purchase history, or browsing activity ensures that mailers reach the right audience. 

New customers may receive a welcome offer, while returning shoppers could be encouraged with a loyalty discount. Businesses can also segment based on product interest, location, or past spending habits to improve conversion rates.

Testing and Optimization

Like digital marketing, direct mail campaigns benefit from testing elements such as messaging, offers, and design. Monitoring response rates, conversion rates, and return on ad spend helps refine future mailings. 

For example, testing a discount versus free shipping can reveal which incentive drives more conversions.

Automation

Manually managing direct mail campaigns at scale can be time-consuming. Automation streamlines the process by triggering mail pieces based on customer actions, such as sending an abandoned cart reminder within days of a missed purchase. 

Platforms like Opensend Postal integrate direct mail with digital marketing, making it easy to launch and optimize campaigns across multiple channels.

What Industries Most Benefit From Direct Mail Retargeting Campaigns?

Direct mail retargeting is particularly effective in industries where personalized outreach and tangible marketing materials drive higher engagement. Businesses that rely on customer intent signals, high-value purchases, or long decision-making cycles see the most significant impact.

Retail

For retailers, direct mail is a powerful reminder for customers who browsed products but never checked out. 

A clothing brand might send a special offer featuring an item a shopper viewed, complete with a personalized discount. Loyalty programs also benefit, with exclusive mailers offering VIP perks or early access to new collections.

Real Estate

The home-buying process involves extensive research and decision-making. Real estate agencies use direct mail to reconnect with potential buyers who browsed listings, attended open houses, or searched for financing options. A personalized mailer showcasing similar properties in a buyer’s preferred area can reignite interest and drive them back to an agent’s website.

Automotive

Car buyers typically explore multiple models before making a final decision. A dealership can retarget visitors who researched specific vehicles by sending a brochure highlighting key features and financing options or an invitation to book a test drive. 

Personalized direct mail can also be used for service reminders, lease-end offers, and trade-in promotions.

Travel and Hospitality

Browsing for vacations often involves multiple visits before booking. Hotels, resorts, and travel agencies use direct mail to re-engage travelers who explored packages but didn’t finalize a reservation. 

A postcard featuring a dream destination with a limited-time discount can push a traveler to complete their booking.

Nonprofit Organizations

Fundraising campaigns rely on strong emotional connections, and direct mail provides a more personal touch than digital ads alone. 

Nonprofits can send heartfelt letters or donation appeals to past website visitors, highlighting how their contribution makes a difference. Including a pre-filled donation form simplifies the process, increasing the likelihood of support.

Industries that blend direct mail with digital retargeting create a well-rounded strategy that keeps potential customers engaged, nurtures relationships, and ultimately increases conversions.

How To Get Started With Retargeted Direct Mail

Launching a direct mail retargeting campaign begins with setting up the right tools and strategies to ensure seamless execution. From tracking website visitors to designing compelling mail pieces, each step is crucial in turning potential customers into engaged buyers.

Implement Website Tracking

A successful retargeting campaign starts with capturing visitor data. Website tracking tools like pixels and first-party cookies collect insights on browsing behavior, product views, and abandoned carts. Integrating tracking with an analytics platform or CRM allows businesses to identify high-intent visitors who are most likely to convert with the proper follow-up.

Data Collection and Analysis

Raw visitor data is only useful when properly analyzed. Businesses need to determine which actions signal strong purchase intent — such as repeated visits to a product page, cart abandonment, or time spent viewing service details. 

Segmentation based on behaviors, demographics, and purchase history helps refine mailing lists, ensuring direct mail campaigns target the right audience.

Design Mail Pieces

Unlike digital ads that disappear with a scroll, direct mail remains in a customer’s hands, making design a crucial factor in engagement. 

Eye-catching visuals, clear messaging, and a strong call to action can turn interest into action. Personalized elements, such as the recipient’s name, product images, or a custom offer, create a more compelling experience.

Common formats include:

  • Postcards for quick, visually engaging promotions
  • Brochures or catalogs for showcasing multiple products or services
  • Personalized letters for high-value customers or tailored offers

Timing and Frequency

The success of a direct mail retargeting campaign often depends on sending the right message at the right time. A well-timed mail piece can reignite interest before a customer moves on to a competitor. 

For example, an abandoned cart reminder should arrive within a few days, while high-consideration purchases, such as real estate or luxury goods, may benefit from follow-ups spaced over weeks.

However, strategists should avoid overwhelming recipients with too many mailers — strategic timing ensures the message feels relevant but not intrusive.

Integration With Digital Channels

Direct mail becomes even more effective when paired with digital marketing efforts. Businesses can reinforce messaging through email, social media, and display ads, creating a seamless customer journey. 

A QR code or custom URL printed on a mail piece can drive recipients back to a personalized landing page, allowing businesses to track engagement and refine future outreach.

Setting up a direct mail retargeting campaign requires a combination of technology, creativity, and strategy. When executed properly, it delivers a lasting impression that digital ads alone often fail to achieve.

What Are Some Other Best Practices for Direct Mail Campaigns?

Successful direct mail campaigns rely on personalization, segmentation, and continuous optimization. 

Here are some more best practices to consider:

Personalization

A generic mailer is easy to ignore, but a personalized message grabs attention. Tailoring direct mail based on browsing behavior, past purchases, or abandoned carts creates a more engaging experience. 

A real estate company showcasing homes in a buyer’s preferred area or an online store featuring a customer’s recently viewed items can make a lasting impact.

Segmentation

Not every prospect should receive the same message. New customers might respond well to welcome offers, while repeat buyers could be incentivized with loyalty rewards. Businesses can also refine segmentation by product interest, location, or purchase history to improve targeting and conversion rates.

Testing and Optimization

Like digital marketing, direct mail campaigns perform best when continuously refined. Testing different messaging, offers, and layouts provides insights into what drives the highest engagement. 

Tracking response rates, conversion rates, and return on ad spend helps businesses adjust their strategy for better results.

Automation

Scaling direct mail manually can be time-consuming. Automated solutions trigger mailings based on customer actions, such as sending a personalized follow-up after a cart abandonment. Platforms like Opensend Postal seamlessly integrate with digital marketing, ensuring direct mail is part of a cohesive, omnichannel strategy.

Adopting these best practices ensures direct mail campaigns remain effective and relevant, keeping customers engaged while driving measurable business growth.

How Can Opensend Help?

Opensend Postal automates direct mail retargeting by identifying website visitors, matching them to postal addresses, and sending personalized mail. 

By integrating with ESPs and platforms like Klaviyo and Shopify, businesses can trigger automated mail campaigns based on customer actions such as abandoned carts or product views.

With real-time data synchronization, advanced segmentation, and tracking tools, Opensend ensures mail reaches the right audience at the right time. Businesses can scale their direct mail efforts effortlessly while maximizing conversions and return on investment.

The Bottom Line

Direct mail retargeting is a powerful way to reconnect with website visitors, driving engagement and conversions beyond digital channels. 

By combining website tracking, data enrichment, and personalized mail campaigns, businesses can create a seamless customer experience that stands out in a crowded marketplace.

With automation and integration, platforms like Opensend Postal make it easy to scale and optimize direct mail campaigns for maximum impact. Ready to enhance your retargeting strategy? Get started with Opensend today.

Sources:

How to Create Memorable and Meaningful Direct Mail | USPS

The Direct Mail Revival And How Marketers Can Respond | Forbes

79 Direct Mail Statistics that Marketers Need to Know in 2024 | UPrinting

Email vs Direct Mail: Pick One or Use Both? | Postalytics

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