Email Spider 

Harvest email addresses from the net using this Email Spider, which finds email addresses that are targeted by utilizing the Google and Yahoo search engines. Scan your website for vulnerabilities!
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SharkMailHunt 

SharkMailHunt, an email extractor, is designed to harvest e-mail addresses form web sites, hard drive or network, using the HTTP protocol and any files on local disks or network such as drive, folder, any CD or DVD, single file and network. Try it.
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Ada Email Address Search XP 

Searching and harvest your target Email Addresses from Internet.
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