Email Address Finder 

Email Address Finder can search bulk email address from mail server. You also can send bulk email to every valid email address while searching. You can get more than 5500 email addresses per minute at only 56Kbps speed.
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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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ECrawl 

ECrawl is an email harvester that swiftly crawls the web and extracts all the emails it can find. It has the ability to reach speeds in excess of 2 million emails per hour. The search is fully automated and you can add any amount of keywords.
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