Mailgun is full automatic system for harvesting of e-mail addresses and ability for e-mail sending to multiple recipients. Mailgun searches e-mail addresses on specified web sites, wich are identified with a hypertext links or URL's. You can add URL's to your database manually or automatically from Internet search servers, supported by Mailgun, such as Google or Altavista.
Mailgun searches for e-mail addresses at sites from your URL list. Mailgun supports frames, links, JavaScript and keywords search. It searches links on site by tree. This way MailGun searches all over the sites.