SMTP email proxy and relay server
A simple and fast cross-platform solution to send mass emails.
Full SMTP/Mail server Appliance in 5 minutes
A program to send mail via SMTP from command line
Wrappers around msmtp for use as queueing MTA with extra features
GITST FREE EMAIL SENDER
An unofficial web console to administer Apache James 3 server
Simple web interface for Postfix domains, accounts, aliases
Go Gmailer is a java based desktop app to send emails.
Ciphermail email encryption gateway (S/MIME, OpenPGP, PDF encryption)
PHP powerful tool for sending e-mails fast and easily