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Growth · July 28, 2025

MailBlock

Transactional email sdk for developers

MailBlock launched on July 28, 2025 with 6 votes. The site was still online in September 2026, 1 year on.

What it does

MailBlock - The simplest email SDK for Node.js. Send transactional emails with just 3 lines of code. Built by developers, for developers.

Skip DNS setup and send transactional emails in minutes with pre-warmed domains. Clean SDKs for every language with built-in deliverability and security.

Use clean SDKs, preverified domains and built-in deliverability tools to send transactional emails reliably without the setup overhead of DNS configuration or complex integration. Initialize with your API key, paste the three line snippet, and send. Preverified domains and defaults handle deliverability. import Mailblock from 'mailblock' ; const client = new Mailblock ( 'your-api-key-here' ); export async function sendEmail() { const result = await client . send ({ to : '[email protected]' , subject : 'Welcome!' , template : 'welcome' , data : { name : 'John' } }); return result ; } Send Today, Not Next Week Skip the setup overhead of DNS configuration, domain verification, and weeks of…from mailblock.de

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