MailerLite vs Postmark

Pricing

MailerLite: Free up to 1k subs, paid from $9/mo

Postmark: Free for 100 emails/mo, from $15/mo

Description

MailerLite: Simple email marketing at great prices

Postmark: Transactional email service built around one promise: your emails hit the inbox

Pros

  • 5x cheaper than Mailchimp for comparable features
  • Free tier covers 1,000 subscribers with full email builder
  • Drag-and-drop editor that actually produces good-looking emails
  • Industry-leading deliverability: 99%+ inbox placement
  • Emails typically arrive in under 10 seconds
  • Detailed delivery analytics and debugging tools

Cons

  • Automation is simpler than Kit (formerly ConvertKit) or Customer.io
  • Fewer native integrations: may need Zapier for your stack
  • More expensive per email than Resend or SendGrid
  • Transactional email only: no marketing campaigns, newsletters, or bulk sends
  • 100 email free tier is barely enough to test with

Details

MailerLite is email marketing without the bloat or the price tag. Founded in Lithuania by Ignas Rubezius, bootstrapped until acquired for $90M in 2022. 5x cheaper than competitors because remote team + Lithuanian base. Great for creators who want simple and affordable.

Postmark has been laser-focused on one thing for over a decade: making sure transactional emails hit inboxes, not spam folders. Password resets, order confirmations, shipping notifications: the emails your users actually need to receive. They keep their deliverability high by refusing to send marketing email on the same infrastructure.

You pay more per email than alternatives, but for transactional messages where delivery matters (think: password resets, payment receipts), that premium buys real reliability. If your app sends emails that users rely on, Postmark is the safest bet.

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