smtp

High-performance outgoing SMTP mail server program for large organizations.

Disclaimer, S/MIME for IIS SMTP Service and Exchange Server.

Durable and secure SMTP/POP3 server. Lots of features against spam DDoS

Simple, Powerful, and Accurate email spam firewall for Exchange/SMTP Servers.

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

Disclaimer, S/MIME for IIS SMTP Service and Exchange Server.

ActiveX component - compose, mail merge, send mail to SMTP or queue, direct send

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

Change fast SMTP server settings on multiple Outlook Express accounts

C Email Library for POP3 / SMTP