Don't be so excited always (#8888)

Author: ericholscher

readthedocs/templates/core/email/base.html

@@ -75,7 +75,7 @@
                 <tr>
                   <td style="font-weight: bold;">
                     {% block salutation %}
-                      {% trans "Hello!" %}
+                      {% trans "Hello," %}
                     {% endblock %}
                   </td>
                 </tr>