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            _____    __   __     ___     __   _   
  ____     |  ___||  \ \\/ //   / _ \\  | || | || 
 |    \\   | ||__     \   //   | / \ || | '--' || 
 | [] ||   | ||__     / . \\   | \_/ || | .--. || 
 |  __//   |_____||  /_//\_\\   \___//  |_|| |_|| 
 |_|`-`    `-----`   `-`  --`   `---`   `-`  `-`  
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Text this: A spam rejection scheme during SMTP sessions based on layer-3 e-mail classification