maildown 3.3.1
Best practice is to send text/plain && text/html markdown works great for both, so why write your templates twices?
          Gemfile:
          =
        
        
          Installeer:
          =
        
      Runtime afhankelijkheden (2):
            actionmailer
            >= 4.0.0
          
          
            kramdown-parser-gfm
            >= 0