store multiple submitter results

app/mailers/submission_mailer.rb

@@ -1,19 +0,0 @@
-# frozen_string_literal: true
-
-class SubmissionMailer < ApplicationMailer
-  DEFAULT_MESSAGE = "You've been invited to submit documents."
-
-  def invitation_email(submission, message: DEFAULT_MESSAGE)
-    @submission = submission
-    @message = message
-
-    mail(to: @submission.email,
-         subject: 'You have been invited to submit forms')
-  end
-
-  def copy_to_submitter(submission)
-    @submission = submission
-
-    mail(to: submission.email, subject: 'Here is your copy')
-  end
-end

app/mailers/submitter_mailer.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class SubmitterMailer < ApplicationMailer
+  DEFAULT_MESSAGE = "You've been invited to submit documents."
+
+  def invitation_email(submitter, message: DEFAULT_MESSAGE)
+    @submitter = submitter
+    @message = message
+
+    mail(to: @submitter.email,
+         subject: 'You have been invited to submit forms')
+  end
+
+  def copy_to_submitter(submitter)
+    @submitter = submitter
+
+    mail(to: submitter.email, subject: 'Here is your copy')
+  end
+end