Referred by a LettrLabs Partner

Launch Automated Direct Mail Campaigns That Drive Measurable Growth

LettrLabs helps businesses send personalized direct mail at scale with campaign automation, audience targeting, multiple mail formats, and attribution built into one platform.

  • Send handwritten cards, postcards, letters, inserts, and more
  • Trigger direct mail from customer data, website activity, ecommerce behavior, or uploaded lists
  • Track sends, delivery, engagement, and ROI from one platform

Built for Modern Marketing Teams

Acquire New Customers

Reach targeted households with personalized mail that stands out from crowded digital channels.

Follow Up at the Right Moment

Turn website traffic into timely direct mail campaigns based on browsing behavior, page visits, or purchase intent.

Bring Customers Back

Use direct mail for winback, reorder, loyalty, subscription, and reactivation campaigns.

Retarget High-Intent Visitors

Trigger mail from customer actions, CRM data, lifecycle events, or campaign workflows.

Every Format. One Platform.

From printed postcards to robotically handwritten letters, LettrLabs gives you the widest range of direct mail formats — all under one roof.

Postcards

4x6

4" x 6" Postcard

An example of a 4x6 printed postcard.
Front
An example of a 4x6 printed postcard.
Rear
6x9

6" x 9" Postcard

An example of a 4x6 printed postcard.
Front
An example of a 4x6 printed postcard.
Rear
6x11

6" x 11" Postcard

An example of a 4x6 printed postcard.
Front
An example of a 4x6 printed postcard.
Rear
11x18

11" x 18" Postcard (Tri-fold)

An example of a 4x6 printed postcard.
Folded
An example of a 4x6 printed postcard.
Spread View

Handwritten

Handwritten Envelope & Printed Letter

Handwritten Envelope + Printed Letter

An example of a 4x6 printed postcard.
Letter
An example of a 4x6 printed postcard.
Envelope
Postcard

Handwritten Postcard

An example of a 4x6 printed postcard.
Front
An example of a 4x6 printed postcard.
Rear
Card + Envelope

Card & Envelope

An example of a 4x6 printed postcard.
Front
An example of a 4x6 printed postcard.
Rear
An example of a 4x6 printed postcard.
Envelope
Bi-Fold Card + Envelope

Bi-Fold Card & Envelope

An example of a 4x6 printed postcard.
Outside
An example of a 4x6 printed postcard.
Inside
An example of a 4x6 printed postcard.
Envelope

Smarter Targeting, Better Results

Build better audiences with targeting tools that help you reach the right people, in the right location, with the right message.

ai-direct-mail-design-tools

Predictive Audience Targeting

Use customer data, lookalike audiences, and campaign filters to prioritize better-fit prospects.

4,000+ Targeting Attributes

Create targeted mailing lists using demographic, behavioral, property, household, and business data.

Precision Geo Targeting

Target households by radius, polygon, ZIP code, neighborhood, or custom location-based criteria.

Integration

Integrate Seamlessly.
Market Smarter.

Connect LettrLabs to the platforms you already use to automate direct mail, sync customer data, personalize campaigns, and measure impact in real time.

Turn Website Traffic Into Direct Mail Retargeting

Reconnect with high-intent visitors using automated direct mail triggered by real browsing behavior, page interest, campaign source, and purchase signals.

Illustration of LettrLabs' lead generation solutions for home services, featuring personalized outreach strategies designed to boost engagement and drive higher conversion rates.
Attribution

Turn Direct Mail Into a Measurable Growth Channel

Track delivery, attribute outcomes, and see ROAS and lift—all in one platform.  Finally bring direct mail into your performance marketing stack.

LettrLabs direct mail marketing attribution dashboard holdout testing ROI AOV direct mail cost
Holdout Testing

Measure incremental lift with built-in holdout testing. No setup needed

Attribution Windows

Align attribution windows with your sales cycle & measure ROI accurately

Conversion Criteria

Define what counts as a conversion and measure ROI on your terms

Delivery Tracking

Coordinate email or SMS outreach with real time delivery updates

Start Free.
Scale When You’re Ready.

Choose the plan that fits your direct mail goals, from simple campaign sending to advanced automation, targeting, and attribution.

Starter

Free

Highlights
Delivery Tracking
Handwritten Mail Merge
Address & Delivery Verification
CSV Upload
Open API Access
Live Chat & Email Support
Enterprise

Custom Pricing

Includes
All Premium Tier Features
Highlights
Holdout and A/B Testing
Advanced Targeting + Exclusions
Real-Time Enterprise Attribution
Multi-Account Spend & Permissions
Fully Managed Service
Done-For-You Mail Design
Auto-Personalizing Mail Templates
Variable Image Replacement

See It In Your Mailbox

Request a free handwritten sample pack—mailed the next business day.