EMail Collector and Sender 

With this package e-marketing becomes easy, you can collect people emails by your self, then you can send your products news to all or part of them.
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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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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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