Administrateur can be param the acknowledgement of delivery mail object and body.

db/migrate/20160830142653_create_mail_templates_table.rb

@@ -0,0 +1,11 @@
+class CreateMailTemplatesTable < ActiveRecord::Migration
+  def change
+    create_table :mail_templates do |t|
+      t.string :object
+      t.text :body
+      t.string :type
+    end
+
+    add_belongs_to :mail_templates, :procedure
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160829114646) do
+ActiveRecord::Schema.define(version: 20160830142653) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -227,6 +227,13 @@ ActiveRecord::Schema.define(version: 20160829114646) do
     t.integer "user_id"
   end
 
+  create_table "mail_templates", force: :cascade do |t|
+    t.string  "object"
+    t.text    "body"
+    t.string  "type"
+    t.integer "procedure_id"
+  end
+
   create_table "module_api_cartos", force: :cascade do |t|
     t.integer "procedure_id"
     t.boolean "use_api_carto",          default: false