Hunter is a platform created in 2015 by Antoine Fink and François Grante. It specializes in email tracing and its mission is to enable professionals to forge new links using simple email tracking methods. Hunter has three effective tools for this, including Email Finder, Domain Finder, and Mail Checker. The e-mail and domain search tools allow users to find the e-mail addresses of professionals and those of companies respectively, in order to contact them if necessary. These tools use a large number of signals to find the proven email address of any contact in a fraction of a second. As for the e-mail checker, it allows the user to carry out a complete verification of each e-mail address found, so that the messages sent arrive safely. In addition, Hunter allows cold e-mail campaigns to raise awareness. Over 3 million marketers trust Hunter. The platform is also adopted by several large companies