webmaster tools didn't like emailshare links it couldn't use

frontend/templates/download.html

@@ -30,7 +30,7 @@ $j(document).ready(function() {
             <a href="https://www.facebook.com/sharer.php?u=https://{{ site.domain }}{% url work work.id|urlencode:"" %}"><li class="facebook first"><span>Facebook</span></li></a>
             <a href="https://twitter.com/intent/tweet?url={{ request.build_absolute_uri|urlencode:"" }}&amp;text=I%27m%20enjoying%20{{ work.title|urlencode }}%2C%20a%20free%2C%20non%2DDRM%20ebook%2E%20You%20can%20too%21"><li class="twitter"><span>Twitter</span></li></a>
             {% endwith %}
-            <a href="{% url emailshare '' %}?next={% url work work.id %}"><li class="email"><span>Email</span></li></a>
+            {% if request.user.is_authenticated %}<a href="{% url emailshare '' %}?next={% url work work.id %}"><li class="email"><span>Email</span></li></a>{% endif %}
             <a id="embed2"><li class="embed"><span>Embed</span></li></a>
             <div id="widgetcode2">Copy/paste this into your site:<br /><textarea rows="7" cols="22">&lt;iframe src="https://{{ request.META.HTTP_HOST }}/api/widget/{{ work.first_isbn_13 }}/" width="152" height="325" frameborder="0"&gt;&lt;/iframe&gt;</textarea></div>
         </ul>

frontend/templates/libraries.html

@@ -52,7 +52,7 @@ The library license gives download access to one library member at a time for 14
 	<ul class="social menu pledge">
 		<a href="https://www.facebook.com/sharer.php?u=https://{{ site.domain }}"><li class="facebook first"><span>Facebook</span></li></a>
 		<a href="https://twitter.com/intent/tweet?url=https://{{ site.domain }}&amp;text=I%20am%20learning%20about%20unglue%2Eit%20%2E%20Will%20you%20join%20me%3F"><li class="twitter"><span>Twitter</span></li></a>
-		<a href="{% url emailshare '' %}?next={{ request.build_absolute_uri|urlencode:"" }}"><li class="email"><span>Email</span></li></a>
+		{% if request.user.is_authenticated %}<a href="{% url emailshare '' %}?next={{ request.build_absolute_uri|urlencode:"" }}"><li class="email"><span>Email</span></li></a>{% endif %}
 		<a id="embed"><li class="embed"><span>Embed</span></li></a>
 	</ul>
 	<div class="clearfix"></div></dd>

frontend/templates/notification/sharing_block.html

@@ -1,5 +1,5 @@
 	<ul>
-		<a href="{% url emailshare 'pledge' %}?next={{ work_url|urlencode:"" }}"><li>Email it!</li></a>
+		{% if request.user.is_authenticated %}<a href="{% url emailshare 'pledge' %}?next={{ work_url|urlencode:"" }}"><li>Email it!</li></a>{% endif %}
 		<a href="https://twitter.com/intent/tweet?url=https://{{ current_site.domain }}{{ work_url|urlencode:"" }}&text=I%27m%helping%20to%20unglue%20{{ title|urlencode }}%20at%20%40unglueit.%20Will%20you%20join%20me%3F"><li>Tweet it!</li></a>
 		<a href="https://www.facebook.com/sharer.php?u=https://{{ current_site.domain }}{{ work_url|urlencode:"" }}"><li>Share it on Facebook.</li></a>
 		<li>Best idea: talk about it with those you love.</li>

frontend/templates/pledge_complete.html

@@ -46,7 +46,7 @@
 	<ul class="social menu pledge">
 		<a href="https://www.facebook.com/sharer.php?u=https://{{ site.domain }}{% url work work.id|urlencode:"" %}"><li class="facebook first"><span>Facebook</span></li></a>
 		<a href="https://twitter.com/intent/tweet?url=https://{{ site.domain }}{% url work work.id|urlencode:"" %}&amp;text=I%20just%20supported%20{{ work.title|urlencode }}%20at%20%40unglueit.%20Will%20you%20join%20me%3F"><li class="twitter"><span>Twitter</span></li></a>
-		<a href="{% url emailshare 'pledge' %}?next={% url work work.id|urlencode:"" %}"><li class="email"><span>Email</span></li></a>
+		{% if request.user.is_authenticated %}<a href="{% url emailshare 'pledge' %}?next={% url work work.id|urlencode:"" %}"><li class="email"><span>Email</span></li></a>{% endif%}
 		<a href="#" id="embed"><li class="embed"><span>Embed</span></li></a>
 	</ul>
 </div>