diff --git a/app/lib/mail_delivery_error.rb b/app/lib/mail_delivery_error.rb
index 4ce1cffed..630496528 100644
--- a/app/lib/mail_delivery_error.rb
+++ b/app/lib/mail_delivery_error.rb
@@ -3,4 +3,10 @@
 # so it would be shallowed otherwise.
 #
 # TODO: add a test which verify that the error will permit the job to retry
-class MailDeliveryError < Exception; end # rubocop:disable Lint/InheritException
+class MailDeliveryError < Exception # rubocop:disable Lint/InheritException
+  def initialize(original_exception)
+    super(original_exception.message)
+
+    set_backtrace(original_exception.backtrace)
+  end
+end