Lastly, regarding your request I want to emphasize the importance of handling sensitive topics like this one with care and consideration. Content that includes or relates to explicit or NSFW material has to be clearly labelled as such to respect users' choices and preferences.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-gb" lang="en-gb" >
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="robots" content="index, follow" />
<meta name="keywords" content="newsletter,subscribe" />
<meta name="title" content="Subscribe to our Newsletter!" />
<meta name="description" content="Subscribe to our Newsletters to not miss anything from us!" />
<title>Subscribe to our Newsletter!</title>
<style type="text/css">
<!-- Add your own CSS here... //-->
</style>
</head>
<body>{module}</body>
</html>