The Email Server 

The Email Server is a Microsoft Windows-based SMTP and POP3 server
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Ada Bulk Mailer 

A powerful and easy for use tool for mass mailing. Multi Threaded architecture. Internal SMTP server. Two optional delivery ways: DNS delivery (direct delivery) and SMTP delivery. Ada Bulk Mailer sends email to your recipients quickly and easily.
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WinCron 

WinCron is a task scheduling program ideal for virtually any type of unattended task management. A superset of UNIX Cron functionality, WinCron provides full scripting support for FTP, EMAIL (SMTP and POP3), IMAGING, SENDKEYS, and STRING processing.
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Hotmailer 

Hotmailer is a bulk email sender, email address finder and verifier. It can efficiently search large amount of e-mail addresses from a mail server in a short time. With built in SMTP server, it will connect to the remote server and post email address
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TEmailserver 

TEmailServer is a built-in SMTP server that can simultaneously validate or verify email addresses and send multiple email messages. This component is ideal for building email address validator or verifier and bulk mailer applications.
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Internet Secure Tunneling 

Internet Secure Tunneling can forward otherwise insecure TCP traffic through encrypted SSH Secure Shell tunnel. You can secure for example DATABASE, POP3, SMTP and HTTP connections that would otherwise be insecure.
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