Compare
LuneaMail vs Postmark
Short answer: Pick LuneaMail if you want unified email builder & API; pick Postmark if you want fast, reliable transactional email. LuneaMail has a free plan, paid from $39/month; Postmark has a free plan, paid from $15/month.
LuneaMailDesign an email once, send it as a campaign or through the API
PostmarkTransactional email delivery for appsWhich to pick
Pick LuneaMail if you want…
- Unified email builder & API
- Integrations with Node.js, REST API or Handlebars (on LuneaMail's list, not Postmark's)
Pick Postmark if you want…
- Fast, reliable transactional email
- The lower starting price: $15/month against $39/month
- Integrations with Python, Ruby or PHP (on Postmark's list, not LuneaMail's)
Side by side
- What it is
- LuneaMail:LuneaMail lets SaaS teams design emails visually or in code and send marketing campaigns and transactional messages via one API.
- Postmark:Postmark is an email delivery service for sending transactional and marketing emails via API or SMTP.
- Best for
- LuneaMail:Unified email builder & API
- Postmark:Fast, reliable transactional email
- Who it’s for
- LuneaMail:Startups and SaaS teams needing combined marketing and transactional email.
- Postmark:Developers and teams needing reliable email delivery.
- Pricing
- LuneaMail:Freemium
- Postmark:Freemium
- Starting price
- LuneaMail:$39/month (Pro)
- Postmark:$15/month (Basic)
- Free plan or trial
- LuneaMail:Free plan (Free) · Free trial
- Postmark:Free plan (Free) · Free trial
- Plans
- LuneaMail:Free $0 · Pro $39 per month · Team $35 per seat per month
- Postmark:Free $0.00/mo · Basic $15.00/mo per month · Pro $16.50/mo per month · Platform $18.00/mo per month
- Works with
- LuneaMail:Node.js, REST API, Handlebars, Amazon SES, SMTP, Claude Code, Cursor
- Postmark:Python, Ruby, PHP, cURL, SMTP
LuneaMail features
- Visual drag-and-drop builder. Create email layouts with a brand kit and six styles, then export the HTML.
- Code mode with Handlebars. Edit HTML directly using {{#if}} and {{#each}} for conditional sections.
- Campaign A/B testing. Test two subject lines on a segment and auto-send the winner to the rest.
- Transactional email API. Send receipts, license keys, etc. with a single REST call and template data.
- AI drafting & approval. AI agents draft copy and design, then wait for user confirmation before sending.
- Deliverability checks. Spam, SPF/DKIM, and AI content review run before every send.
- Webhooks & signed events. Receive real-time notifications for bounces, unsubscribes, and campaign results.
- Domain authentication & branding. Send from your own DKIM-authenticated domain with branded click-tracking links.
Postmark features
- Industry-leading deliverability. Ensures emails reach inboxes quickly with vetted IPs and strict spam controls.
- Message Streams. Separates transactional and marketing emails on parallel infrastructures.
- Inbound email processing. Converts inbound emails to JSON and forwards via webhooks.
- Detailed analytics. Provides bounce data, open/link tracking, and activity retention.
- Official SDKs. Libraries for many languages (Node, Python, Ruby, PHP, .NET, etc.) for easy integration.
- Sandbox mode. Test email sending without affecting real recipients.
LuneaMail vs Postmark FAQ
What is the difference between LuneaMail and Postmark?+
Postmark specializes in transactional email only, without marketing campaign features or AI assistance.
Should I use LuneaMail or Postmark?+
Pick LuneaMail if you want unified email builder & API or integrations with Node.js, REST API or Handlebars (on LuneaMail's list, not Postmark's). Pick Postmark if you want fast, reliable transactional email, the lower starting price: $15/month against $39/month or integrations with Python, Ruby or PHP (on Postmark's list, not LuneaMail's).
Is LuneaMail or Postmark free?+
LuneaMail has a free plan; paid plans start at $39/month (Pro). Postmark has a free plan; paid plans start at $15/month (Basic).
Which is cheaper, LuneaMail or Postmark?+
Postmark is cheaper to start with: Postmark's Basic plan ($15/month) against LuneaMail's Pro plan ($39/month).
Do LuneaMail and Postmark integrate with the same tools?+
Partly. Both list SMTP. LuneaMail also lists Node.js, REST API, Handlebars, Amazon SES and 2 more; Postmark also lists Python, Ruby, PHP and cURL.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.