Remove unneeded indices, improve error handling in background workers, don't needlessly reload reblogged status, send Devise e-mails asynchronously

app/services/notify_service.rb

@@ -10,6 +10,8 @@ class NotifyService < BaseService
 
     create_notification
     send_email if email_enabled?
+  rescue ActiveRecord::RecordInvalid
+    return
   end
 
   private

app/services/process_feed_service.rb

@@ -61,7 +61,7 @@ class ProcessFeedService < BaseService
 
       status.save!
 
-      NotifyService.new.call(status.reblog.account, status) if status.reblog?
+      NotifyService.new.call(status.reblog.account, status) if status.reblog? && status.reblog.account.local?
       Rails.logger.debug "Queuing remote status #{status.id} (#{id}) for distribution"
       DistributionWorker.perform_async(status.id)
       status