Send emails without limits.Self-hosted. Dev-friendly.

A modern email microservice built in Go with BYOK approach and multi-provider support. Send emails securely through SendGrid, Breevo, MailerSend, or SMTP.

Get Started View on GitHub

BYOK Security

Bring Your Own Key

4+ Providers

Multi-provider support

Production Ready

Redis & PostgreSQL

Docker Ready

Containerized deployment

Features

Everything you need to send emails

Powerful features designed for developers who want simplicity without sacrificing control

BYOK Security

Bring Your Own Key approach ensures your API keys stay secure with header-based credential management.

Multi-Provider Support

Support for Breevo, SendGrid, MailerSend, and SMTP with automatic provider detection.

Smart Routing(Coming soon)

Intelligent provider detection based on credentials with fallback mechanisms.

PostgreSQL Logging

Comprehensive email tracking and analytics with detailed logging capabilities.

Redis Caching(Coming soon)

Performance optimization with Redis caching for improved response times.

Production Ready

Docker containerization with error handling, monitoring, and logging built-in.

Quick Start

Get started in minutes

Simple setup process to get your email service running

Installation Steps

Clone Repository

git clone https://github.com/imsks/chitthi.git

Start Infrastructure

docker compose up redis db -d

Run Service

air (or go run cmd/main.go)

Test API

Send your first email via REST API

Send Email API

curl -X POST https://localhost:8000/send-email \
  -H "Content-Type: application/json" \
  -H "X-SMTP-Host: smtp.gmail.com" \
  -H "X-SMTP-Username: your-email@gmail.com" \
  -H "X-SMTP-Password: your-app-password" \
  -d '{
    "from_email": "sender@example.com",
    "to_email": "recipient@example.com", 
    "subject": "Test Email",
    "html_content": "<h1>Hello World!</h1>"
  }'

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