HTML document, ASCII text
        
            1
            <!DOCTYPE html> 
        
            2
            <html lang="en"> 
        
            3
            <head> 
        
            4
                <meta charset="UTF-8"> 
        
            5
            </head> 
        
            6
                <body> 
        
            7
                <header> 
        
            8
                    {{ config.mail_header }} 
        
            9
                </header> 
        
            10
                <main> 
        
            11
                    {% block content %} 
        
            12
                    {% endblock %} 
        
            13
                </main> 
        
            14
                <footer> 
        
            15
                    {{ config.mail_footer }} 
        
            16
                </footer> 
        
            17
            </body> 
        
            18
            </html>