Self-hosted projects built with SMTP
17 self-hosted projects using this technologyEmailWebsite
17 services found
docker-mailserver
Containerized mail server stack for SMTP and IMAP with anti-spam
Production-ready mail server stack in a Docker container with SMTP, IMAP/POP3, LDAP auth, anti-spam/AV, DKIM/DMARC, and optional OAuth2 support.
Maddy Mail Server
Composable all-in-one SMTP/IMAP mail server with security features
Go-based, modular mail server implementing SMTP/LMTP/IMAP with built-in DKIM/SPF/DMARC, storage backends (SQLite/Postgres/S3), Prometheus metrics and Docker support.
Cypht
Open-source webmail and RSS aggregator built from modular plugin sets.
Cypht is an open-source PHP/JavaScript webmail and RSS aggregator built from modular plugin sets, unifying multiple accounts with search and server-side filters.
Hoodik
Self-hosted end-to-end encrypted cloud storage drive
Lightweight self-hosted cloud storage with end-to-end encryption, chunked file transfer, private search, and secure share links via a web UI.
Hyvor Relay
Open-source, self-hosted Email API for developers
AGPL-3.0 open-source email API for developers that can be self-hosted; supports SMTP sending, webhooks, DNS automation, observability, multi-tenancy, and project isolation.
Django-CRM
Open-source CRM and task management built on Django Admin
Django-CRM is a Django-based open-source CRM providing contact & lead management, deal tracking, email marketing, task/project management, and built-in analytics.
HelpRealm
Lightweight SaaS support ticket system
Open-source, Laravel-based support ticket system for handling customer requests via email, web forms and a REST API; suited for freelancers and small teams.
Citadel
Groupware server with email, calendaring, contacts, and web access
Citadel is an open source groupware and messaging server providing email, calendars, contacts, and a web interface with room-based collaboration.
Dovel
Simple Go-based SMTP server for receiving and sending mail
Lightweight SMTP server written in Go that receives and sends email via a single JSON config and executable hooks; supports per-user DKIM and TLS.
HiveDAV
Curlable free/busy scheduler with CalDAV integration
A lightweight, curl-first free/busy scheduler that syncs availability from a CalDAV calendar and can send iCal booking invites via SMTP.
OpenSMTPD
Secure, lightweight SMTP server implementation compliant with RFC 5321
OpenSMTPD is an open-source, minimal SMTP daemon from the OpenBSD project providing an RFC-compliant MTA with privilege separation, table backends, filters and TLS support.
Schleuder
OpenPGP-enabled mailing list manager with remailing
Schleuder is an OpenPGP-enabled mailing list manager that encrypts list mail and supports remailing, allowing subscribers and non-subscribers to exchange secure emails via the list.
SquirrelMail
Browser-based IMAP webmail client written in PHP
Lightweight PHP webmail client for IMAP/SMTP servers, offering a simple interface, plugin extensibility, and broad compatibility with standard mail backends.
Zimbra Collaboration
Enterprise email, calendar, contacts, and collaboration suite
Self-hosted enterprise collaboration suite providing email, webmail, calendaring, contacts, and administration for organizations.
b1gMail
Web-based email and collaboration suite for running hosted email services
Open-source webmail and groupware offering email, contacts, calendar, cloud drive, tasks, notes and an admin control panel for multi-tenant email services.
chasquid
Simple and secure SMTP mail transfer agent (MTA)
chasquid is a minimalist SMTP server (MTA) for individuals and small groups, focused on secure defaults, easy configuration, and straightforward operation.
memEx
Structured personal knowledge base inspired by Zettelkasten and Org mode
Self-hosted, multi-user personal knowledge base for notes, linked contexts, and process pipelines, with backlinks and per-item privacy controls.