★★★★★
1500 Real Penned Personal Letters: Response rate for 1st week was awesome prob 8-10%
ES
Elliot Smith
Mailhouse + Strategy + Software
Better direct mailstarts here.
Strategy, mailing lists, print production, campaign execution, and software integrations for businesses ready to launch, improve, or scale direct mail.
100M+
Pieces mailed
5,000+
Trusted customers
2-day
Production available
★ 5.0
Customer rating
Trusted across industries
🛒Ecommerce
💼Financial Services
🏠Home Services
🛡️Insurance
🏡Real Estate
🏬Retail
Inc. 5000
Built for serious direct mail
Already mailing — or ready to launch with the budget to do it right?
OLM is built for companies that want direct mail to be more than a one-off postcard order. We help teams improve targeting, creative, timing, production, automation, and consistency across real campaigns.
📬
Already mailing?
Improve campaign structure, audience quality, format testing, production speed, and execution consistency without starting from scratch.
🚀
Ready to launch?
Start with a smarter plan — audience, offer, creative, cadence, and budget — instead of guessing through your first few campaigns.
⚙️
Need automation?
Use Open Letter Connect to trigger direct mail from your CRM, ecommerce platform, marketing workflows, or internal software.
Ready to get started?
Launch smarter. Scale faster.
How to work with us
One direct mail partner. Three ways to use OLM.
Whether you need a full campaign partner, an easier way to order mail, or software to integrate direct mail into your tech stack, OLM gives you the services and infrastructure to execute at scale.
Managed Direct Mail Campaigns
Work with our team to plan, build, and execute direct mail campaigns with the right strategy, audience, creative, format, timing, and production support.
Best for
- ✓Teams running active, recurring mail programs
- ✓Companies launching with a serious budget
- ✓Teams that want strategy plus execution
01
Strategy
Audience & targeting
High-LTVLapsedNew
02
Creative
Copy, design & A/B test
03
Drop Mail
Print, mail & track
In production
04
Performance
Response & ROI report
Self-Serve Ordering
For teams that already know what they want to mail, order postcards, letters, snap packs, self-mailers, handwritten-style mail, and more through a streamlined online experience.
Best for
- ✓Quick orders and reorders
- ✓Teams that already know what they want to mail
- ✓Simple one-off sends and fast product ordering
Popular📋Multi-Touch
Signature✍️Penned Letters
📮Postcards
📄Printed Letters
📦Snap Packs
📨Self Mailers
Open Letter Connect
Use OLC to integrate direct mail into your existing tech stack. Trigger personalized mail from your CRM, ecommerce platform, marketing workflows, or internal software.
Best for
- ✓CRM and marketing automation teams
- ✓Ecommerce, SaaS, agencies, and enterprise teams
- ✓Lifecycle, retention, win-back, and lead follow-up
Integrations
GHighLevel
SShopify
ZZapier
HHubSpot
APIPrint & Mail API
SDKSDK
Create automation
Trigger
⚡New customer
▾Action
✍Send Real Penned Letter
▾Save automation
Customer results
Real programs. Measurable outcomes.
★★★★★
Great company! Jenn does a great job for us and after trying several other places we are super happy...
MP
Maria Perez
★★★★★
Open Letter Marketing Rocks! Jen is hyper focused on our success. Communication is superb. Definitely do more mailings with them.
KA
Kelly A
Ready to make direct mail a serious growth channel?
Talk with our team about your goals, budget, audience, and current direct mail strategy. We'll help you choose the most effective path forward.