There are 2 ways that this can be configured on a per board basis. If HTML is On then you will see HTML is On and you can use normal HTML in your posts. If Markup is on you will see Markup is On. The following tags are available for your use if Markup is enabled: quote]text[/quote] = Surrounds the given text with blockquote and hr's. This markup tag is used for quoting a reply. For more smilies, please see our Smilies Collection page.

You may use HTML tags within the body of your message so long as it doesn't create an undesirable appearance or interfer with the functionality of the page. The use of HTML will allow you to place links, mirror pictures from external sources or edit the appearance of your message. HTML tags are not allowed in the subject or e-mail fields. Inappropriate use of HTML may result in your message being removed. Please consult the Usage Policy for further details.

No. You can use HTML tags in the body of the message body only. For example, you can italicize a word with word, or make a word bold word by using HTML tags.

Permitted tags: <b> <i> <p> <a> <li> <ol> <ul> <em> <br> <tt> <strong> <blockquote> <div> Because tags are rendered, make sure you escape < and > if you're just using them to mean greater than or less than: &lt; for < and &gt; for >