If the user forgets their password, they must answer their hint question (which they hopefully still remember), and supply some other personal information (which is verified against the info they provided upon registering).
Unfortunately, easy to remember == easy to guess (especially if it's someone you know), and "other personal information" is usually not hard to find with some research. Sometimes, you won't know the real identity that goes with someone's online persona, so that won't get you anywhere. Sometimes, you will, though. That solution is probably better than nothing, though.
Are you posting in the right place? Check out Where do I post X? to know for sure.
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
Want more info? How to link or
or How to display code and escape characters
are good places to start.