Open Source Email App for Android
Disposable webmail server (similar to Mailinator) with built in SMTP
Free Email Backup Software | Email Backup App for Android
Anti-Spam SMTP Proxy Server implements multiple spam filters
Client daemon to move mail from POP and IMAP to your local computer
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Extract lost email passwords
Mail Notifer for Windows
Universal server
POP3 Server
Small Business Appliance
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
OpenXP 5 - a multi-protocol offline mail and news reader
Framework for development in the Oracle Database
an easy to use pop3 client library in C
The cult-favourite eMail client formerly known as Qualcomm Eudora