It's easy, just enter email to field and copy generated code to your HTML page.
<a id="m_s_965391"></a>
<script>
var grrd = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var golv = document.getElementById('m_s_965391');
golv.innerHTML = !(golv.innerHTML) ? grrd : golv.innerHTML;
golv.href = 'mailto:' + grrd;
</script>
<span id="m_s_717666"></span>
<script>
var igvz = 'da' + 'rt' + '.w' + 'ei' + 'de' + 'r@' + 'de' + 'ad' + '.s' + 'ta' + 'r';
var nqhd = document.getElementById('m_s_717666');
nqhd.innerHTML = !(nqhd.innerHTML) ? igvz : nqhd.innerHTML;
</script>