XAMPP configuration to send an email on a local computer

XAMPP configuration to send an email on a local computer - (iklangoogle = window.iklangoogle || []). Push ({}); (iklangoogle = window.iklangoogle || []). Push ({}); ???? Most of the web developers to develop and test? program that is being created? on the local computer, before the application as a whole is finished and ready to be