Following statements will helps you to send mail automatically through QTP.
For that you need to have a MS Outlook with mail server connected to it in your machine

Dim objOutlookMsg
Set objOutlook = CreateObject("Outlook.Application")
Set objOutlookMsg = objOutlook.CreateItem(0)
objOutlookMsg.To = "ramu.palanki@gmail.com"
objOutlookMsg.BCC ="ramu.palanki@gmail.com"
objOutlookMsg.Subject = "Sending Mail through QTP Script"
objOutlookMsg.Body ="Hello QTP"
objOutlookMsg.Attachments.Add("C:\Result.html")
objOutlookMsg.Send