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All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Self-hosted multi-account email client with support for JMAP/IMAP/SMTP, direct integration with Gmail and Outlook APIs. Also Contacts and Calendar. Built with Go, templ, and HTMX, SQLite for storage

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

Self-hosted email server with Docker/Kubernetes support. Features IMAP, SMTP, spam filtering, webmail, and web admin.

A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, MQTTS, POP3, POP3S, RTSP, SCP, SFTP, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features

IMAP mail filtering utility

Object-oriented, fully tested PHP IMAP library

A cross-platform .NET library for IMAP, POP3, and SMTP.

Cyrus IMAP is an email, contacts and calendar server

mailio is a cross platform C++ library for MIME format and SMTP, POP3, IMAP protocols. It is based on the standard C++ 17 and Boost library.

Work with email by IMAP

ProtonMail IMAP/SMTP Bridge Docker container

CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot

This is an n8n community node that adds support for IMAP email servers.

Lightweight Standalone DMARC and SMTP TLS Report Viewer with IMAP Client

A self-hosted Email Middleware for IMAP, SMTP, Gmail API, Graph API — built for developers

🛡️ A lightweight, self-hosted DMARC report parser with a beautiful Vue.js dashboard. Single-binary deployment with IMAP integration, SQLite storage, and RFC 7489 compliance. Built with Go and Vue 3 - no external dependencies required.

Self-hosted, Gmail-style mail client. Multi-account IMAP, threaded conversations, real-time push via IMAP IDLE + Mercure. Built with Symfony, FrankenPHP, Hotwire Turbo. Clone and docker compose up.

Omarchy mail plugin with Gmail, HEY and IMAP supports.

Mail and calendar for Linux and macOS. Gmail and IMAP accounts, Google Calendar, contacts, OpenPGP and S/MIME. GTK4 and libadwaita, written in Rust.

MailCraft: an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.