Find and remove duplicate items in Outlook such as contacts and mails.
EasyMailer: Bulk Email/SMS Sender Using SMTP
A Powerful PHP bulk email sending script with smtp support.
Automatically generate Outlook signatures based on templates and LDAP.
OpenXP 5 - a multi-protocol offline mail and news reader
C library for sending e-mail (with attachments) from C/C++
eMail is a fork of Interlink for IA-32 i686 with more optimizations.