Here is the trick to send executable files in gmail.
Ok let say the file that you want to send name is Executable.
1.Go to Folder Options (My Computer > Tools > Folder Options)
2. tab, uncheck “Hide extensions for known file types“.
file will look like this
3.Then rename the extension .exe with other extension like .jpg. will prompt a warning message, just click “Ok”. The file icon will be changed to .jpg icon and now your executable file is in . .
4.Send the file to the receipent.
5.After the receipent recieve the file, ask them to rename the with .exe or it will .