#smtp

A local debug server and utilities set for PHP projects

Authentication and identity platform in Go with OIDC, SAML, MFA, LDAP, Lua, and mail integrations

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

📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail

A collection of helpful EmailMessage extension methods

Go SMTP server library

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.

stdio MCP server for iCloud Calendar (CalDAV), with optional Contacts (CardDAV) and Mail (IMAP/SMTP)

该仓库未发布描述。

Libraries with common implementations, with separation of responsibilities between their projects using Abstractions.

pytest plugin to test server connections locally. This repository was migrated from Bitbucket.

Cross-platform multi-protocol mock server — HTTP, WebSocket, gRPC, GraphQL, TCP, Redis, SMTP, MQTT — with a web UI, scenario system, and fault injection.

Agent-first CLI for Proton Mail. Local AI inbox classification, search, and Q&A via Proton Mail Bridge and Ollama. Nothing leaves your machine.

The highly customizable ruby SMTP-Server and SMTP-Service library with builtin support for AUTH and SSL/STARTTLS, 8BITMIME and SMTPUTF8, IPv4 and IPv6 and additional features.

该仓库未发布描述。

Send and receive emails easily, fluently, with one line of code for each operation.

🛜 TCP Library for Cloudflare Workers

One simple SDK for transactional email across 23 adapters

Cloud-agnostic Python SDK for extensible cloud service integrations

该仓库未发布描述。

haraka network utilities

Protocol-focused communication toolkit for PHP.