Improve the unsubscribe to digest experience. Give a link in case it

fails, provide a different message if you are logged in as a different
user, increase expiry to 2 months from 1 week.

app/views/email/resubscribe.html.erb

@@ -1,7 +1,6 @@
 <div class='container'>
-
   <h2><%= t :'resubscribe.title' %></h2>
+  <br/>
 
   <p><%= t :'resubscribe.description' %></p>
-
 </div>

app/views/email/unsubscribe.html.erb

@@ -1,7 +1,8 @@
 <div class='container'>
 
-  <%- unless @not_found %>
+  <%- if @success %>
     <h2><%= t :'unsubscribed.title' %></h2>
+    <br/>
 
     <p><%= t :'unsubscribed.description' %></p>
 
@@ -11,10 +12,18 @@
       <%= submit_tag t(:'resubscribe.action'), class: 'btn btn-danger' %>
     <% end %>
   <%- else %>
-    <h2><%= t :'unsubscribed.not_found' %></h2>
-    <p><%= t :'unsubscribed.not_found_description' %></p>
+    <h2><%= t :'unsubscribed.error' %></h2>
+    <br/>
+    <%- if @different_user %>
+      <p><%= t :'unsubscribed.different_user_description' %></p>
+    <%- end %>
+
+    <%- if @not_found %>
+      <p><%= t :'unsubscribed.not_found_description' %></p>
+    <%- end %>
+
+    <p><%=raw(t :'unsubscribed.preferences_link') %></p>
+
   <%- end %>
 
-
-
 </div>