diff --git a/Gemfile b/Gemfile
index d685db5f1..2a1f1429c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -67,6 +67,8 @@ gem "font-awesome-rails"
 
 gem 'hashie'
 
+gem 'mailjet'
+
 group :test do
   gem 'capybara'
   gem 'factory_girl'
diff --git a/Gemfile.lock b/Gemfile.lock
index 70c65a821..abfada111 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -194,6 +194,10 @@ GEM
     lumberjack (1.0.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
+    mailjet (1.1.0)
+      activesupport (>= 3.1.0)
+      rack (>= 1.4.0)
+      rest-client
     method_source (0.8.2)
     mime-types (2.6.1)
     mini_portile (0.6.2)
@@ -446,6 +450,7 @@ DEPENDENCIES
   leaflet-markercluster-rails (~> 0.7.0)
   leaflet-rails
   logstasher
+  mailjet
   mina!
   openid_connect
   pg
diff --git a/app/mailers/application_mailer.rb b/app/mailers/application_mailer.rb
new file mode 100644
index 000000000..68533b7dd
--- /dev/null
+++ b/app/mailers/application_mailer.rb
@@ -0,0 +1,4 @@
+class ApplicationMailer < ActionMailer::Base
+  default from: "tps@apientreprise.fr"
+  layout 'mailer'
+end
diff --git a/app/mailers/welcome_mailer.rb b/app/mailers/welcome_mailer.rb
new file mode 100644
index 000000000..b3542aecd
--- /dev/null
+++ b/app/mailers/welcome_mailer.rb
@@ -0,0 +1,9 @@
+class WelcomeMailer < ApplicationMailer
+  def welcome_email user
+
+    @user = user
+
+    mail(from: "tps@apientreprise.fr", to: user.email,
+         subject: "Création de votre compte TPS")
+  end
+end
diff --git a/app/views/layouts/mailer.html.haml b/app/views/layouts/mailer.html.haml
new file mode 100644
index 000000000..28739ee90
--- /dev/null
+++ b/app/views/layouts/mailer.html.haml
@@ -0,0 +1,3 @@
+%hmtl
+  %body
+    = yield
\ No newline at end of file
diff --git a/app/views/layouts/mailer.text.haml b/app/views/layouts/mailer.text.haml
new file mode 100644
index 000000000..f1d0cc898
--- /dev/null
+++ b/app/views/layouts/mailer.text.haml
@@ -0,0 +1 @@
+= yield
\ No newline at end of file
diff --git a/app/views/welcome_mailer/welcome_email.text.erb b/app/views/welcome_mailer/welcome_email.text.erb
new file mode 100644
index 000000000..59e4ef9e6
--- /dev/null
+++ b/app/views/welcome_mailer/welcome_email.text.erb
@@ -0,0 +1,15 @@
+Bienvenue sur la plateforme TPS
+
+Nous vous remercions de vous être inscrit sur TPS. Pour mémoire, voici quelques informations utiles :
+
+    URL :   https://tps.apientreprise.fr
+    Login : <%= @user.email %>
+
+Oubli de mot de passe, pas de problème :
+
+    https://tps.apientreprise.fr/users/password/new
+
+Bonne journée,
+
+---
+L'équipe TPS - tps@apientreprise.fr
\ No newline at end of file
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 5fafdd184..6538124ce 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -36,6 +36,9 @@ Rails.application.configure do
   # Raises helpful error messages.
   config.assets.raise_runtime_errors = true
 
+  config.action_mailer.delivery_method = :mailjet
+  config.action_mailer.default_url_options = { :host => '{{ environment_mailer_host}}' }
+
   # Raises error for missing translations
   # config.action_view.raise_on_missing_translations = true
 
diff --git a/spec/mailers/welcome_mailer_spec.rb b/spec/mailers/welcome_mailer_spec.rb
new file mode 100644
index 000000000..fa9ff057c
--- /dev/null
+++ b/spec/mailers/welcome_mailer_spec.rb
@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+describe WelcomeMailer, type: :mailer do
+  describe ".welcome_email" do
+    let(:user) { create(:user) }
+    subject(:subject) { described_class.welcome_email(user) }
+    it { expect(subject.body).to match('https://tps.apientreprise.fr') }
+    it { expect(subject.body).to match('https://tps.apientreprise.fr/users/password/new') }
+    it { expect(subject.body).to match(user.email) }
+    it { expect(subject.body).to match('Bienvenue sur la plateforme TPS') }
+    it { expect(subject.body).to match('Nous vous remercions de vous être inscrit sur TPS. Pour mémoire, voici quelques informations utiles :')}
+
+    it { expect(subject.subject).to eq("Création de votre compte TPS") }
+  end
+end