don't interact with inactive users

app/views/users/show.html.erb

@@ -9,7 +9,8 @@
     <% end %>
       <%= @showing_user.username %>
     </span>
-    <% if @user %>
+
+    <% if @user && @showing_user.is_active? %>
       (<a href="/messages?to=<%= @showing_user.username %>">Send a Message</a>)
     <% end %>
   </div>

script/mail_new_activity

@@ -44,7 +44,8 @@ EMAIL_WIDTH = 72
 LAST_STORY_KEY = "mailing:last_story_id"
 LAST_COMMENT_KEY = "mailing:last_comment_id"
 
-mailing_list_users = User.where(:mailing_list_enabled => true)
+mailing_list_users = User.where(:mailing_list_enabled => true).select{|u|
+  u.is_active? }
 
 last_story_id = (Keystore.value_for(LAST_STORY_KEY) || Story.last.id).to_i
 

script/parse_inbound_mail

@@ -45,7 +45,7 @@ end
 sending_user = User.where(:mailing_list_enabled => true,
   :mailing_list_token => user_token).first
 
-if !sending_user
+if !sending_user || !sending_user.is_active?
   STDERR.puts "no user with mailing list token #{user_token}"
 
   # if this looks like a user token but invalid, generate a bounce to be