MailerQ - MailerQ is a high performance Mail Transfer Agent (MTA) designed for delivering large volume email messages at very high speeds.
blat - Blat is a small, efficent SMTP command line mailer for Windows.
turboSMTP - turboSMTP is a reliable, powerful, easy-to-use SMTP server that maximizes the deliverability of all...
CMail - CMail is a free Windows command line mailer with advanced message formatting options.
SMTP - SMTP provides scalable affordable email infrastructure for all your sending needs.
sendEmail - sendEmail is a lightweight, command line SMTP email client.