Add new mail sender for internal notifications

app/mailers/reporter_mailer.rb

@@ -11,7 +11,8 @@ class ReporterMailer < ActionMailer::Base
 
   def named_maps_near_the_limit(message)
     mail_to = Cartodb.get_config(:mailer, 'support_email')
+    mail_from = Cartodb.get_config(:mailer, 'internal_notifications_email')
 
-    mail to: mail_to, subject: message if mail_to
+    mail from: mail_from, to: mail_to, subject: message if mail_to && mail_from
   end
 end