The classic email sending library for PHP
Open source email service with a strong focus on security and privacy
Anti-Spam SMTP Proxy Server implements multiple spam filters
SMTP email proxy and relay server
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Powerful Open Source Email Marketing app with analytics & segmentation
Client daemon to move mail from POP and IMAP to your local computer
Fast Bayesian spam filter along lines suggested by Paul Graham
One Click Solution to Convert Outlook Files to Retrieve Data Again
Universal server
EasyMailer: Bulk Email/SMS Sender Using SMTP
SaltOS, ERP, CRM, Business Management Suite, Josep Sanz Campderrós
Free Email Backup Software | Email Backup App for Android
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
C library for sending e-mail (with attachments) from C/C++
Anti Spam SMTP Gateway
Email reader for RISC OS operating system.