pan class="errorcode">NE_ERROR</span></span></p></td><td>Request failed (see session error string)</td></tr><tr><td><p><span class="term"><span class="errorcode">NE_LOOKUP</span></span></p></td><td>The DNS lookup for the server (or proxy server) failed.</td></tr><tr><td><p><span class="term"><span class="errorcode">NE_AUTH</span></span></p></td><td>Authentication failed on the server.</td></tr><tr><td><p><span class="term"><span class="errorcode">NE_PROXYAUTH</span></span></p></td><td>Authentication failed 