Read here: http://jonathan-kim.com/2011/programmatically-customizing-a-forwarded-email/ http://jonathan-kim.com/2011/programmatically-customizing-a-... Basical

Read here: http://jonathan-kim.com/2011/programmatically-customizing-a-forwarded-email/ http://jonathan-kim.com/2011/programmatically-customizing-a-... Basically most e-mail clients change the dom structure in some way when you forward an email (like wrapping the original in a div). Write some CSS rules that require an unmodified structure to show the unsubscribe button.