use product email url

app/controllers/esign_settings_controller.rb

@@ -11,6 +11,8 @@ class EsignSettingsController < ApplicationController
     end
   end
 
+  prepend_before_action :maybe_redirect_com, only: %i[show]
+
   before_action :load_encrypted_config
   authorize_resource :encrypted_config, parent: false, only: %i[new create]
   authorize_resource :encrypted_config, only: %i[update destroy show]

app/controllers/submissions_controller.rb

@@ -6,6 +6,8 @@ class SubmissionsController < ApplicationController
 
   load_and_authorize_resource :submission, only: %i[show destroy]
 
+  prepend_before_action :maybe_redirect_com, only: %i[show]
+
   def show
     @submission = Submissions.preload_with_pages(@submission)
 

app/controllers/submissions_preview_controller.rb

@@ -4,7 +4,7 @@ class SubmissionsPreviewController < ApplicationController
   skip_before_action :authenticate_user!
   skip_authorization_check
 
-  before_action :maybe_redirect_com, only: %i[show completed]
+  prepend_before_action :maybe_redirect_com, only: %i[show completed]
 
   TTL = 40.minutes
 

app/mailers/application_mailer.rb

@@ -16,7 +16,7 @@ class ApplicationMailer < ActionMailer::Base
   after_action :set_message_uuid
 
   def default_url_options
-    Docuseal.default_url_options
+    Docuseal.default_url_options.merge(host: ENV.fetch('EMAIL_HOST', Docuseal.default_url_options[:host]))
   end
 
   def set_message_metadata

app/views/shared/_email_attribution.html.erb

@@ -2,5 +2,5 @@
   ---
 </p>
 <p>
-  <%= t('sent_using_product_name_free_document_signing_html', product_url: "#{Docuseal::PRODUCT_URL}/start", product_name: Docuseal.product_name) %>
+  <%= t('sent_using_product_name_free_document_signing_html', product_url: "#{Docuseal::PRODUCT_EMAIL_URL}/start", product_name: Docuseal.product_name) %>
 </p>