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Built Mailblock: The Cold Email Platform That Doesn't Hate Developers

Hey IH!

Just launched Mailblock after months of being frustrated with existing cold email tools. Quick question: why do all email marketing platforms assume developers don't exist?

The Problem That Drove Me Nuts

Picture this: You're bootstrapping your SaaS, need to send cold emails, so you check out the "popular" platforms.

  • $300/month minimum before you send a single email

  • Interface designed by someone who's allergic to APIs

  • "SDK"? What's that? Here's a CSV upload instead

  • Want custom logic? Too bad, use our drag-and-drop builder

I spent weeks fighting with these tools for our previous startup. The breaking point was paying enterprise prices for basic functionality while still having to hack together integrations.

So we built what we actually wanted: email marketing that thinks like code.

What Makes Mailblock Different

🔧 Developer SDK First

  • Native Python/Node.js SDKs (not just REST endpoints)

  • Create campaigns, schedule emails, track performance with function calls

  • Actually good documentation with working examples

🤖 AI Email Writing

  • Context-aware AI that learns your tone

  • Draft personalized cold outreach that doesn't sound robotic

  • Integrates with your recipient data automatically

💰 Indie Hacker Pricing

  • Starts at $15/month with generous limits

  • No setup fees or "premium API access" nonsense

  • Priced like a developer tool, not enterprise bloatware

⚡ Built for Speed

  • 10-minute integration, not 10-hour setup

  • Webhook system for complex automation

  • Direct database connections, no more CSV hell

Who This Is For

If you've ever wished your email tool had better docs than your favorite API, this is for you:

  • Solo founders who code at 2 AM and need growth tools that don't break the bank

  • Growth engineers who want to A/B test sequences programmatically

  • Anyone tired of context-switching between code and clunky dashboards

Early Access Perks

Launching with special pricing for the first 100 teams:

  • Lock in early adopter rates as we add features

  • Free month on Pro Plan to test advanced stuff

  • Direct access to our team for feature requests

The Real Question

What email marketing pain points are you dealing with right now?

Are you overpaying for features you don't use? Building internal tools because nothing fits your workflow? Wrestling with APIs that make you question your career choices?

Would love to hear what's frustrating you most - we're actively building based on real developer feedback.


Try Mailblock: mailblock.de

Beta Testers: Free Testing and free months after launch

Built by developers, for developers. Email marketing that finally makes sense.

P.S. - Our error messages are actually helpful. Revolutionary, I know.

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Mailblock