通过PHP向textarea HTML代码发送电子邮件以显示为html

Currently I have a fully working email system and I wanted to implement summernote which I have. However when I submit the form it seems to send as html code in text so it shows all the <> and no special formatting. So I thought. Is it sending to the script correctly so I echoed it out and it shows the code without the formatting.Currently I have a fully working email system a