Letterhead vs Adestra — a complete platform, not just a publisher ESP | Letterhead
A complete platform, not just a publisher ESP.
Adestra is an email service provider for publishers. Letterhead Suite is a complete email and audience platform — audience management, segmentation, automation, sending, and deliverability — with a content engine built to grow lasting relationships.
Why teams choose Letterhead over Adestra
A complete platform, with a content engine they don't have.
Adestra focuses on publisher email sending. Letterhead Suite gives you the full platform breadth plus the editorial and content engine that turns sends into lasting engagement.
A complete email platform
Audience management and analysis, segmentation, automation and journeys, transactional and newsletter sending, and deliverability — all in one place.
Excellence in content
A content and newsletter engine — editorial production, curation, and AI — built to grow lasting relationships, not just push campaigns.
Own the audience and the outcome
First-party audience, reader-level engagement, and revenue ops on every send.
Head to head
Where Letterhead fits next to Adestra.
| Capability | Letterhead | Adestra |
|---|---|---|
| Scope | A complete email + audience platform, plus a content and newsletter engine. | Email service provider for publishers. |
| Audience & segmentation | Unified first-party profiles, segmentation, and analysis. | Lists and segmentation. |
| Sending & deliverability | Newsletter and transactional sending, with managed deliverability. | Publisher email sending and deliverability. |
| Automation & journeys | Lifecycle automation and journeys. | Triggered and automated sends. |
| Content & newsletters | Editorial production, curation, and AI — the Letterhead difference. | Bring-your-own content. |
| Revenue ops | Sponsorships, house promos, and per-send reporting. | Reporting on sends. |
What customers say
Letterhead has been an invaluable resource for us. Not only did it meet our budget needs, but it also enabled us to create personalized, creative newsletters that made our brand stand out. Their flexible platform allowed us to grow and adapt as our subscriber list and needs changed.
Jessica Ford Director, Startup Digest, Techstars
It’s made newsletter advertising cleaner, more consistent, and far less time-consuming. Thanks to Letterhead, our newsletters have become the cornerstone of our strategy.
Danielle Hastings VP of Operations
We at the Patch local news network have worked with Letterhead to create a critical monetization engine. They’ve been the best kind of partner — striving to understand our needs, quick to respond, and building for the future. Couldn’t have done it without them!
Simone Wilson Senior Manager, Patch.com
See the platform around the send.
Bring your Adestra setup and a recent send. We'll show you the full platform — and the content engine — on Suite.