#email

A modern and lightweight library for working with email addresses in Java

Self-hosted email gateway between your apps and a transactional mail provider (Postmark, Resend, Mailgun, AWS SES, or outbound-SMTP). Three ingress shapes (HTTP form, HTTP API, SMTP). One Docker container, one TOML config.

⚡ Ultra-fast data validation for Python & TypeScript. Drop-in Pydantic/Zod replacement powered by Zig + SIMD WASM.

CLI tool for Maizzle.

📬 Unofficial Golang Library for the Instantly.ai API (V2)

A powerful Model Context Protocol (MCP) server for IMAP email integration with Claude

Open-sourced web libraries

Email parser for browser and serverless environments

Official Vercel Chat SDK adapter for Resend.

An AutoFaker (AutoBogus) override for the DTO EmailDto

A collection of helpful EmailMessage extension methods

A validation module checking for Gmail account existence

An email parser written in PHP

Anonymous email forwarding

Collect everything about sent mails in your Filament app.

🗑 Disposable (temporary/throwaway/fake) email detection library. Framework agnostic with Laravel support included. Automatically updated.

Open-source security-first runtime for AI agents that learn and act across sessions.

Tokio-based IMAP implementation

The lifecycle automation layer PostHog doesn't have yet. Code-first email journeys on PostHog + Resend. Self-hosted.

Feature-rich Laravel package for detecting and blocking disposable email addresses with runtime checks and smart validation.

CalDAV server for Node.js and Koa. Modernized and maintained for @forwardemail

Java library with common web stuff

CLI to manage emails

Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

Sisimai is a library provided as a Go package that decodes various formats of bounce emails and outputs structured data necessary for analysis, such as destination addresses and bounce reasons.

Keycloak: Home IdP Discovery - discover home identity provider or realm by email domain

Lite & fast micro PHP emails parser library that is **easy to use**.

:postbox: Gmail desktop app for macOS, Windows & Linux (formerly Gmail Desktop)

💌 Build your emails using Svelte and Tailwind

C# Outlook MSG file reader without the need for Outlook