-This is the account option implementation
-that's used by Courier, Courier-IMAP, and
+The application is responsible for actually implementing the
+options.
+For example,
+sn authentication request for service <span class="quote">“<span class="quote">imap</span>”</span>, for example,
+will succeed provided that the userid and the password are valid,
+even if <span class="quote">“<span class="quote">disableimap=1</span>”</span> is set.
+The application's <code class="function">callback_func</code> should check for this
+condition, and return a negative return code.</p></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>
+The following list of account options is a combined list of implemented
+options supported by Courier, Courier-IMAP, and