How to send report in TestComplete via email

use the buildtin sendmail function alongside the log.saveresultas method in order to generate the complete log details, and attach it with the email you want to send. 

https://support.smartbear.com/testcomplete/docs/scripting/sending-email-from-scripts.html

https://support.smartbear.com/testcomplete/docs/reference/project-objects/test-log/log/saveresultsas.html

modify the script below and include it as your final test item at the project level.

def test():
  Log.SaveResultsAs(Project.ConfigPath + "\\MHT_Files\\" + ProjectSuite.TestItems.Current.ProjectName + ".mht", lsMHT)
  SendMail("justin.kim@smartbear.com", "mail.smartbear.com", "Justin Kim", "justin.kim@smartbear.com", "Error in Test Run", "Please take a look at the attached results file", Project.ConfigPath + "\\MHT_Files\\" + ProjectSuite.TestItems.Current.ProjectName + ".mht")