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