<p><b>@tomhughes</b> requested changes on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/1824#discussion_r182158725">config/application.rb</a>:</p>
<pre style='color:#555'>> @@ -43,5 +43,8 @@ class Application < Rails::Application
       config.logstasher.logger_path = LOGSTASH_PATH
       config.logstasher.log_controller_parameters = true
     end
+
+    # Set the host and protocol for all action mailer urls
+    config.action_mailer.default_url_options = { :host => SERVER_URL, :protocol => SERVER_PROTOCOL }
</pre>
<p>I think this would be better in <code>config/initializers/action_mailer.rb</code> if possible. I like to restruct changes to <code>application.rb</code> to what can't go elsewhere as it makes updates easier.</p>

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