LetterFriend
LetterFriend is a direct mail and handwritten letter service that helps organizations create personalized, real-handwritten notes, envelopes, and cards, crafted by professional writers rather than fonts, robots, or printers, to cut through digital noise and strengthen customer relationships, referrals, and pipeline growth through high-impact physical outreach. The platform lets users upload contact lists via CSV or integrate with CRM systems, Zapier, or an API to automate and scale campaigns, whether sending thank-you letters, prospecting notes, holiday cards, or other personalized correspondence that is hand-addressed, handwritten, and mailed on behalf of the customer. LetterFriend emphasizes human-touch direct mail with real people in New Jersey writing each word, delivering consistently higher open and response rates compared with typical printed or email outreach, and offers customizable options such as envelopes, sticky notes, signatures, postcards, etc.
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DirectMail2.0
Florida-based marketing software firm DirectMail2.0 is at the forefront of the direct mail industry with its unique approach to automated omnichannel marketing. By integrating traditional direct mail with digital technologies, DirectMail2.0 has become an indispensable tool for print companies looking to enhance their direct mail campaigns and achieve higher ROI.
The DirectMail2.0 omnichannel ecosystem currently includes 15 features proven to lift response and ROI, including Flowcode, email follow up, targeted and geo-fenced digital ads, USPS mail tracking and Informed Delivery, personalized landing pages, de-anonymizing pixel technology, and more — all managed from a single dashboard that also reports real-time campaign results from online and offline campaign components alike. Through this robust omnichannel treatment, DirectMail2.0 users typically see a 25–50% lift in direct mail effectiveness compared to traditional direct mail alone.
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Stannp
Stannp is a direct mail marketing platform built to design, schedule, send, automate, and track direct mail at scale. It helps teams print and send direct mail worldwide, including postcards, letters, and self-mailers, while connecting direct mail to modern marketing workflows through more than 1,000 integrations and a custom API. Users can upload a PDF and send letters through virtual printing, create bulk mail campaigns, or set up automated triggered communications for reminders, renewals, newsletters, customer milestones, abandoned carts, lead follow-ups, win-back campaigns, sales, and events. Stannp positions direct mail as a high-impact marketing channel that reaches and engages contacts in a tangible way, combining the visual and tactile nature of print with the tracking, personalization, and automation expected from digital tools. It supports fully personalized follow-up mail, triggered postcards with product images and voucher codes, segmented seasonal campaigns, etc.
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Melon Post
Melon Post is a messaging-based service that allows users to send real printed postcards directly through WhatsApp. Instead of downloading an app or creating an account, users simply chat with the service, upload a photo, write a message, and provide the recipient’s address. The platform then generates a preview of the postcard so users can confirm the design before completing payment. Once approved, Melon Post prints the postcard on premium 350gsm glossy cardstock and mails it worldwide. The service handles the entire process from printing to dispatch, making it easy to send physical postcards in minutes. Payments are securely processed through Stripe, ensuring safe and simple transactions. By combining messaging convenience with traditional mail, Melon Post makes sending personalized postcards fast and accessible.
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