You have to create the content of the body as html.

DECLARE @tabHTML nvarchar(MAX);

SET @tabHTML =

'<table width="90%" border="0" cellspacing="2" cellpadding="2">' +

'<tr>' +

'<td> </td>' +

'<td class="style3">Customer Feedback / Inquiry</td>' +

'<td></td>' +

'</tr>'...