Configure Limesurvey in my computer

I would like to have a survey tool on my localhost so that all the data of the survey stays only on my computer. I came across an open source survey tool called Limesurvey. [login to view URL] I need a help to configure mailrelayout for sending emails to participants. I tried on [login to view URL] which works fine. Moreover, i want configure my surveysite on internal or external ip in workspace.