smtp relay

1st SMTP Server - free SMTP relay server.

Free SMTP Server is a local SMTP server program for Windows

A SMTP gateway between your mail server and the Internet, catching spam/viruses.

Pivo Smtp fully supports the latest technology for sending Internet email.

.NET assembly for sending emails programmatically using C#, VB.NET, ASP.NET, VB

SMTP, POP3, Mail.

SMTP Bulk Emailer for Windows by Lowrie Associates Ltd

Access the Internet via VPN Gate Public VPN Relay Servers by volunteers.

XChat is a popular Internet Relay Chat (IRC) client.

RadioRipper enables users to record, relay, and playback Internet radio.