Need an email harvester software for windows.
* URLs are loaded from a text file.
* The program will then scan all URLs and crawl deep into subpages to find an email address.
* If an email address is not found, it will try to obtain an address from whois.
* Must be multi-threaded and not crash windows with 50000 URLs.
* Results will be saved in excel file: URL, EMAIL, PAGE/WHOIS