diff --git a/.env.example b/.env.example
index 9c5d13f5..4bf6b305 100644
--- a/.env.example
+++ b/.env.example
@@ -1,2 +1,3 @@
 SECRET_KEY_BASE=
 IMAP_SERVER=
+DEFAULT_FROM=
diff --git a/app/controllers/invitadxs_controller.rb b/app/controllers/invitadxs_controller.rb
index 3e2854f2..404130d6 100644
--- a/app/controllers/invitadxs_controller.rb
+++ b/app/controllers/invitadxs_controller.rb
@@ -22,13 +22,14 @@ class InvitadxsController < ApplicationController
 
     if @invitadx.save
       InvitadxMailer.with(site: @site, invitadx: @invitadx).confirmation_required.deliver
-      redirect_to invitadx_path(@invitadx)
+      redirect_to site_invitadx_path(@site, @invitadx)
     else
       render 'new'
     end
   end
 
   def show
+    @site = Site.find(params[:site_id])
     @has_cover = true
     @invitadx = Invitadx.find(params[:id])
   end
diff --git a/app/mailers/invitadx_mailer.rb b/app/mailers/invitadx_mailer.rb
index 45adb104..ee94f5c3 100644
--- a/app/mailers/invitadx_mailer.rb
+++ b/app/mailers/invitadx_mailer.rb
@@ -2,6 +2,6 @@ class InvitadxMailer < ApplicationMailer
   def confirmation_required
     @invitadx = params[:invitadx]
     @site = params[:site]
-    mail to: @invitadx.email, subject: t('.subject')
+    mail from: "#{@site.config.dig('title')} <#{ENV.fetch('DEFAULT_FROM', 'sutty@kefir.red')}>", to: @invitadx.email, subject: t('.subject')
   end
 end
diff --git a/app/views/invitadxs/show.haml b/app/views/invitadxs/show.haml
index 7a01aac8..e1d47288 100644
--- a/app/views/invitadxs/show.haml
+++ b/app/views/invitadxs/show.haml
@@ -1,3 +1,4 @@
 .row.align-items-center.justify-content-center.full-height
   .col-md-6.align-self-center
-    = t('.confirmation_sent')
+    .alert{role: 'alert', class: "alert-success"}
+      = t('.confirmation_sent')
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 5d3ad7d3..7474a055 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -90,7 +90,7 @@ Rails.application.configure do
   config.action_mailer.perform_deliveries = true
   config.action_mailer.raise_delivery_errors = true
   config.action_mailer.delivery_method = :sendmail
-  config.action_mailer.default_options = { from: 'sutty@kefir.red' }
+  config.action_mailer.default_options = { from: ENV.fetch('DEFAULT_FROM', 'sutty@kefir.red') }
 
   config.middleware.use ExceptionNotification::Rack,
     email: {
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 1b45dd3c..e83da363 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -15,6 +15,11 @@ en:
       reorder: "We're sorry, we couldn't reorder the articles"
       disordered: "The posts are disordered, this will prevent you from reordering them!"
       disordered_button: 'Reorder!'
+  invitadx_mailer:
+    confirmation_required:
+      subject: "Confirm your e-mail address"
+      hi: "Hi!"
+      body: "Please open this link to confirm your e-mail address."
   invitadxs:
     index:
       title: Guests
@@ -25,6 +30,8 @@ en:
       submit: Register
     confirmation:
       confirmed: 'Your account is confirmed, please log in to continue'
+    show:
+      confirmation_sent: "We've sent a confirmation link to your e-mail address.  Please open that link to continue."
   info:
     posts:
       reorder: "The articles have been reordered!"
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 859a1131..8bde2fb2 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -15,6 +15,11 @@ es:
       reorder: "Lo sentimos, no pudimos reordenar los artículos."
       disordered: 'Los artículos no tienen número de orden, esto impedirá que los puedas reordenar'
       disordered_button: '¡Reordenar!'
+  invitadx_mailer:
+    confirmation_required:
+      subject: "Confirma tu dirección de correo"
+      hi: "¡Hola!"
+      body: "Por favor abre esta dirección para confirmar tu cuenta de correo."
   invitadxs:
     index:
       title: Invitadxs
@@ -25,6 +30,8 @@ es:
       submit: Registrarme
     confirmation:
       confirmed: 'Tu cuenta está confirmada, ahora puedes ingresar'
+    show:
+      confirmation_sent: "Te hemos enviado un correo de confirmación a tu casilla, por favor confirma tu cuenta antes de continuar."
   info:
     posts:
       reorder: "¡Los artículos fueron reordenados!"
diff --git a/config/routes.rb b/config/routes.rb
index 3c9b784f..1ba035f4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -9,13 +9,14 @@ Rails.application.routes.draw do
 
   get '/sites/:site_id/public/:type/:basename', to: 'sites#send_public_file'
 
-  resources :invitadxs, only: [:create, :show] do
-  end
+  # XXX Mantenemos solo esta ruta acá porque form_for no reconoce @site
+  # como un objeto válido
+  resources :invitadxs, only: [:create]
 
   resources :sites, only: [:index, :show], constraints: { site_id: /[^\/]+/, id: /[^\/]+/ } do
     resources :posts
     resources :templates
-    resources :invitadxs, only: [:index, :new] do
+    resources :invitadxs, only: [:index, :new, :show] do
       get :confirmation, to: 'invitadxs#confirmation'
     end
     get :'invitadxs/login/new', to: 'login#new'