Which tags are supported within a HTML newsletter?

The HTML part of a newsletter may contain the following HTML tags:

<a> <em> <strong> <cite> <blockquote> <code> <img> <ul> <ol> <li> <dl> <dt> <dd> <img> <h1> <h2> <h3> <h4> <h5> <h6> <h7> <span> <div> <font> <style> <table> <thead> <tbody> <tfooter> <th> <tr> <td>