The classic email sending library for PHP
Take back control of your email with this mail server in a box
Provides mechanisms for walking through any arbitrary PHP variable
Mail hosting made simple
qpsmtpd is a flexible smtpd daemon written in Perl
Script that installs/configures a Dovecot, Postfix, Spam Assassin
Notifuse is an open-source & modern emailing platform
Gmail desktop app for macOS, Windows & Linux (formerly Gmail Desktop)
A self-hosted email client with an AI agent, running entirely on Cloud
PHP Email address validator
Anti-Spam SMTP Proxy Server implements multiple spam filters
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
SMTP email proxy and relay server
Powerful Open Source Email Marketing app with analytics & segmentation
Universal server
Anti Spam SMTP Gateway
HotelSoft1.3 is a free open source software for the Hotel activity
Simple-to-use/-install issue-tracking system: web, REST, email, CLI