diff --git a/app/controllers/instructeurs/procedures_controller.rb b/app/controllers/instructeurs/procedures_controller.rb
index 4210f1497..7a255186e 100644
--- a/app/controllers/instructeurs/procedures_controller.rb
+++ b/app/controllers/instructeurs/procedures_controller.rb
@@ -254,7 +254,8 @@ module Instructeurs
     private
 
     def assign_to_params
-      params.require(:assign_to).permit(:instant_email_message_notifications_enabled, :daily_email_notifications_enabled, :weekly_email_notifications_enabled)
+      params.require(:assign_to)
+        .permit(:instant_email_dossier_notifications_enabled, :instant_email_message_notifications_enabled, :daily_email_notifications_enabled, :weekly_email_notifications_enabled)
     end
 
     def assign_exports
diff --git a/app/controllers/users/dossiers_controller.rb b/app/controllers/users/dossiers_controller.rb
index c0dba8b9b..f94983007 100644
--- a/app/controllers/users/dossiers_controller.rb
+++ b/app/controllers/users/dossiers_controller.rb
@@ -153,6 +153,9 @@ module Users
       if passage_en_construction? && errors.blank?
         @dossier.en_construction!
         NotificationMailer.send_initiated_notification(@dossier).deliver_later
+        @dossier.procedure.instructeurs.with_instant_email_dossier_notifications.each do |instructeur|
+          DossierMailer.notify_new_dossier_depose_to_instructeur(@dossier, instructeur.email).deliver_later
+        end
         return redirect_to(merci_dossier_path(@dossier))
       elsif errors.present?
         flash.now.alert = errors
diff --git a/app/javascript/shared/activestorage/errors.js b/app/javascript/shared/activestorage/errors.js
new file mode 100644
index 000000000..072e99b5c
--- /dev/null
+++ b/app/javascript/shared/activestorage/errors.js
@@ -0,0 +1,22 @@
+// Convert an error message returned by DirectUpload to a proper error object.
+//
+// This function has two goals:
+// 1. Remove the file name from the DirectUpload error message
+//   (because the filename confuses Sentry error grouping)
+// 2. Create each kind of error on a different line
+//   (so that Sentry knows they are different kind of errors, from
+//   the line they were created.)
+export default function errorFromDirectUploadMessage(message) {
+  let matches = message.match(/ Status: [0-9]{1,3}/);
+  let status = (matches && matches[0]) || '';
+
+  if (message.includes('Error creating')) {
+    return new Error('Error creating file.' + status);
+  } else if (message.includes('Error storing')) {
+    return new Error('Error storing file.' + status);
+  } else if (message.includes('Error reading')) {
+    return new Error('Error reading file.' + status);
+  } else {
+    return new Error(message);
+  }
+}
diff --git a/app/javascript/shared/activestorage/ujs.js b/app/javascript/shared/activestorage/ujs.js
index 3f8109953..aa3530ec2 100644
--- a/app/javascript/shared/activestorage/ujs.js
+++ b/app/javascript/shared/activestorage/ujs.js
@@ -1,4 +1,5 @@
 import ProgressBar from './progress-bar';
+import errorFromDirectUploadMessage from './errors';
 import { fire } from '@utils';
 
 const INITIALIZE_EVENT = 'direct-upload:initialize';
@@ -40,17 +41,22 @@ addUploadEventListener(PROGRESS_EVENT, ({ detail: { id, progress } }) => {
 });
 
 addUploadEventListener(ERROR_EVENT, event => {
+  let id = event.detail.id;
+  let errorMsg = event.detail.error;
+
   // Display an error message
   alert(
     `Nous sommes désolés, une erreur s’est produite lors de l’envoi du fichier.
 
-    (${event.detail.error})`
+    (${errorMsg})`
   );
   // Prevent ActiveStorage from displaying its own error message
   event.preventDefault();
 
-  ProgressBar.error(event.detail.id, event.detail.error);
-  fire(document, 'sentry:capture-exception', new Error(event.detail.error));
+  ProgressBar.error(id, errorMsg);
+
+  let error = errorFromDirectUploadMessage(errorMsg);
+  fire(document, 'sentry:capture-exception', error);
 });
 
 addUploadEventListener(END_EVENT, ({ detail: { id } }) => {
diff --git a/app/javascript/shared/activestorage/uploader.js b/app/javascript/shared/activestorage/uploader.js
index 1e29c2ac6..b303a441e 100644
--- a/app/javascript/shared/activestorage/uploader.js
+++ b/app/javascript/shared/activestorage/uploader.js
@@ -1,5 +1,6 @@
 import { DirectUpload } from '@rails/activestorage';
 import ProgressBar from './progress-bar';
+import errorFromDirectUploadMessage from './errors';
 
 /**
   Uploader class is a delegate for DirectUpload instance
@@ -18,7 +19,8 @@ export default class Uploader {
       this.directUpload.create((errorMsg, attributes) => {
         if (errorMsg) {
           this.progressBar.error(errorMsg);
-          reject(new Error(errorMsg));
+          let error = errorFromDirectUploadMessage(errorMsg);
+          reject(error);
         } else {
           resolve(attributes.signed_id);
         }
diff --git a/app/mailers/dossier_mailer.rb b/app/mailers/dossier_mailer.rb
index e0f0e254a..a217f4d16 100644
--- a/app/mailers/dossier_mailer.rb
+++ b/app/mailers/dossier_mailer.rb
@@ -35,6 +35,12 @@ class DossierMailer < ApplicationMailer
     mail(from: NO_REPLY_EMAIL, to: instructeur_email, subject: @subject)
   end
 
+  def notify_new_dossier_depose_to_instructeur(dossier, instructeur_email)
+    @dossier = dossier
+    @subject = default_i18n_subject(dossier_id: dossier.id, libelle_demarche: dossier.procedure.libelle)
+    mail(from: NO_REPLY_EMAIL, to: instructeur_email, subject: @subject)
+  end
+
   def notify_revert_to_instruction(dossier)
     @dossier = dossier
     @service = dossier.procedure.service
diff --git a/app/models/instructeur.rb b/app/models/instructeur.rb
index 7ea2d737b..27fc5223e 100644
--- a/app/models/instructeur.rb
+++ b/app/models/instructeur.rb
@@ -23,6 +23,10 @@ class Instructeur < ApplicationRecord
     includes(:assign_to).where(assign_tos: { instant_email_message_notifications_enabled: true })
   }
 
+  scope :with_instant_email_dossier_notifications, -> {
+    includes(:assign_to).where(assign_tos: { instant_email_dossier_notifications_enabled: true })
+  }
+
   default_scope { eager_load(:user) }
 
   def self.by_email(email)
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index 94ec8f307..581b3e616 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -26,6 +26,7 @@ class Procedure < ApplicationRecord
   has_many :administrateurs_procedures
   has_many :administrateurs, through: :administrateurs_procedures, after_remove: -> (procedure, _admin) { procedure.validate! }
   has_many :groupe_instructeurs, dependent: :destroy
+  has_many :instructeurs, through: :groupe_instructeurs
 
   has_many :dossiers, through: :groupe_instructeurs, dependent: :restrict_with_exception
 
diff --git a/app/views/dossier_mailer/notify_new_dossier_depose_to_instructeur.html.haml b/app/views/dossier_mailer/notify_new_dossier_depose_to_instructeur.html.haml
new file mode 100644
index 000000000..1d05aa596
--- /dev/null
+++ b/app/views/dossier_mailer/notify_new_dossier_depose_to_instructeur.html.haml
@@ -0,0 +1,10 @@
+- content_for(:title, "#{@subject}")
+
+%p
+  Bonjour,
+
+%p
+  = t('.body', dossier_id: @dossier.id, libelle_demarche: @dossier.procedure.libelle)
+%p= link_to("Consulter le dossier n°#{@dossier.id}", instructeur_dossier_url(procedure_id: @dossier.procedure.id, dossier_id: @dossier.id))
+
+= render partial: "layouts/mailers/signature"
diff --git a/app/views/instructeurs/procedures/email_notifications.html.haml b/app/views/instructeurs/procedures/email_notifications.html.haml
index 6cc0544d4..2f23b5fc1 100644
--- a/app/views/instructeurs/procedures/email_notifications.html.haml
+++ b/app/views/instructeurs/procedures/email_notifications.html.haml
@@ -11,6 +11,22 @@
     .explication
       Configurez sur cette page les notifications que vous souhaitez recevoir par email pour cette démarche.
 
+    = form.label :email_notification, "Recevoir une notification à chaque dossier déposé"
+
+    %p.notice
+      Cet email vous signale le dépôt d'un nouveau dossier.
+    %p.notice
+      Il est envoyé à chaque fois qu'un usager dépose un dossier.
+
+    .radios
+      %label
+        = form.radio_button :instant_email_dossier_notifications_enabled, true
+        Oui
+
+      %label
+        = form.radio_button :instant_email_dossier_notifications_enabled, false
+        Non
+
     = form.label :email_notification, "Recevoir une notification à chaque message déposé"
 
     %p.notice
diff --git a/config/locales/views/dossier_mailer/notify_new_dossier_depose_to_instructeur/fr.yml b/config/locales/views/dossier_mailer/notify_new_dossier_depose_to_instructeur/fr.yml
new file mode 100644
index 000000000..736475042
--- /dev/null
+++ b/config/locales/views/dossier_mailer/notify_new_dossier_depose_to_instructeur/fr.yml
@@ -0,0 +1,5 @@
+fr:
+  dossier_mailer:
+    notify_new_dossier_depose_to_instructeur:
+      subject: Nouveau dossier déposé pour la démarche %{libelle_demarche}
+      body: Un nouveau dossier a été déposé (n° %{dossier_id}) pour la démarche %{libelle_demarche}
diff --git a/db/migrate/20200409075320_add_instant_email_dossier_notifications_to_assign_tos.rb b/db/migrate/20200409075320_add_instant_email_dossier_notifications_to_assign_tos.rb
new file mode 100644
index 000000000..4d4ed8d93
--- /dev/null
+++ b/db/migrate/20200409075320_add_instant_email_dossier_notifications_to_assign_tos.rb
@@ -0,0 +1,5 @@
+class AddInstantEmailDossierNotificationsToAssignTos < ActiveRecord::Migration[5.2]
+  def change
+    add_column :assign_tos, :instant_email_dossier_notifications_enabled, :boolean, default: false, null: false
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 93bdc8f5a..4ea488b03 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_04_07_135256) do
+ActiveRecord::Schema.define(version: 2020_04_09_075320) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -104,6 +104,7 @@ ActiveRecord::Schema.define(version: 2020_04_07_135256) do
     t.boolean "weekly_email_notifications_enabled", default: true, null: false
     t.boolean "daily_email_notifications_enabled", default: false, null: false
     t.boolean "instant_email_message_notifications_enabled", default: false, null: false
+    t.boolean "instant_email_dossier_notifications_enabled", default: false, null: false
     t.index ["groupe_instructeur_id", "instructeur_id"], name: "unique_couple_groupe_instructeur_instructeur", unique: true
     t.index ["groupe_instructeur_id"], name: "index_assign_tos_on_groupe_instructeur_id"
     t.index ["instructeur_id", "procedure_id"], name: "index_assign_tos_on_instructeur_id_and_procedure_id", unique: true
diff --git a/spec/controllers/users/dossiers_controller_spec.rb b/spec/controllers/users/dossiers_controller_spec.rb
index 9f7c3f092..dfe54c93b 100644
--- a/spec/controllers/users/dossiers_controller_spec.rb
+++ b/spec/controllers/users/dossiers_controller_spec.rb
@@ -421,6 +421,24 @@ describe Users::DossiersController, type: :controller do
         expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_construction))
       end
 
+      context 'with instructeurs ok to be notified instantly' do
+        let!(:instructeur_with_instant_email_dossier) { create(:instructeur) }
+        let!(:instructeur_without_instant_email_dossier) { create(:instructeur) }
+
+        before do
+          allow(DossierMailer).to receive(:notify_new_dossier_depose_to_instructeur).and_return(double(deliver_later: nil))
+          create(:assign_to, instructeur: instructeur_with_instant_email_dossier, procedure: dossier.procedure, instant_email_dossier_notifications_enabled: true, groupe_instructeur: dossier.procedure.defaut_groupe_instructeur)
+          create(:assign_to, instructeur: instructeur_without_instant_email_dossier, procedure: dossier.procedure, instant_email_dossier_notifications_enabled: false, groupe_instructeur: dossier.procedure.defaut_groupe_instructeur)
+        end
+
+        it "sends notification mail to instructeurs" do
+          subject
+
+          expect(DossierMailer).to have_received(:notify_new_dossier_depose_to_instructeur).once.with(dossier, instructeur_with_instant_email_dossier.email)
+          expect(DossierMailer).not_to have_received(:notify_new_dossier_depose_to_instructeur).with(dossier, instructeur_without_instant_email_dossier.email)
+        end
+      end
+
       context "on an closed procedure" do
         before { dossier.procedure.close! }
 
diff --git a/yarn.lock b/yarn.lock
index b74c8a567..3dddf088a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1087,55 +1087,55 @@
     webpack-sources "^1.4.3"
 
 "@sentry/browser@^5.11.2":
-  version "5.11.2"
-  resolved "https://registry.yarnpkg.com/@sentry/browser/-/browser-5.11.2.tgz#f0b19bd97e9f09a20e9f93a9835339ed9ab1f5a4"
-  integrity sha512-ls6ARX5m+23ld8OsuoPnR+kehjR5ketYWRcDYlmJDX2VOq5K4EzprujAo8waDB0o5a92yLXQ0ZSoK/zzAV2VoA==
+  version "5.15.4"
+  resolved "https://registry.yarnpkg.com/@sentry/browser/-/browser-5.15.4.tgz#5a7e7bad088556665ed8e69bceb0e18784e4f6c7"
+  integrity sha512-l/auT1HtZM3KxjCGQHYO/K51ygnlcuOrM+7Ga8gUUbU9ZXDYw6jRi0+Af9aqXKmdDw1naNxr7OCSy6NBrLWVZw==
   dependencies:
-    "@sentry/core" "5.11.2"
-    "@sentry/types" "5.11.0"
-    "@sentry/utils" "5.11.1"
+    "@sentry/core" "5.15.4"
+    "@sentry/types" "5.15.4"
+    "@sentry/utils" "5.15.4"
     tslib "^1.9.3"
 
-"@sentry/core@5.11.2":
-  version "5.11.2"
-  resolved "https://registry.yarnpkg.com/@sentry/core/-/core-5.11.2.tgz#f2d9d37940d291dbcb9a9e4a012f76919474bdf6"
-  integrity sha512-IFCXGy7ebqIq/Kb8RVryCo/SjwhPcrfBmOjkicr4+DxN1UybLre2N3p9bejQMPIteOfDVHlySLYeipjTf+mxZw==
+"@sentry/core@5.15.4":
+  version "5.15.4"
+  resolved "https://registry.yarnpkg.com/@sentry/core/-/core-5.15.4.tgz#08b617e093a636168be5aebad141d1f744217085"
+  integrity sha512-9KP4NM4SqfV5NixpvAymC7Nvp36Zj4dU2fowmxiq7OIbzTxGXDhwuN/t0Uh8xiqlkpkQqSECZ1OjSFXrBldetQ==
   dependencies:
-    "@sentry/hub" "5.11.2"
-    "@sentry/minimal" "5.11.2"
-    "@sentry/types" "5.11.0"
-    "@sentry/utils" "5.11.1"
+    "@sentry/hub" "5.15.4"
+    "@sentry/minimal" "5.15.4"
+    "@sentry/types" "5.15.4"
+    "@sentry/utils" "5.15.4"
     tslib "^1.9.3"
 
-"@sentry/hub@5.11.2":
-  version "5.11.2"
-  resolved "https://registry.yarnpkg.com/@sentry/hub/-/hub-5.11.2.tgz#a3b7ec27cd4cea2cddd75c372fbf1b4bc04c6aae"
-  integrity sha512-5BiDin6ZPsaiTm29rCC41MAjP1vOaKniqfjtXHVPm7FeOBA2bpHm95ncjLkshKGJTPfPZHXTpX/1IZsHrfGVEA==
+"@sentry/hub@5.15.4":
+  version "5.15.4"
+  resolved "https://registry.yarnpkg.com/@sentry/hub/-/hub-5.15.4.tgz#cb64473725a60eec63b0be58ed1143eaaf894bee"
+  integrity sha512-1XJ1SVqadkbUT4zLS0TVIVl99si7oHizLmghR8LMFl5wOkGEgehHSoOydQkIAX2C7sJmaF5TZ47ORBHgkqclUg==
   dependencies:
-    "@sentry/types" "5.11.0"
-    "@sentry/utils" "5.11.1"
+    "@sentry/types" "5.15.4"
+    "@sentry/utils" "5.15.4"
     tslib "^1.9.3"
 
-"@sentry/minimal@5.11.2":
-  version "5.11.2"
-  resolved "https://registry.yarnpkg.com/@sentry/minimal/-/minimal-5.11.2.tgz#ae417699342266ecd109a97e53cd9519c0893b21"
-  integrity sha512-oNuJuz3EZhVtamzABmPdr6lcYo06XHLWb2LvgnoNaYcMD1ExUSvhepOSyZ2h5STCMbmVgGVfXBNPV9RUTp8GZg==
+"@sentry/minimal@5.15.4":
+  version "5.15.4"
+  resolved "https://registry.yarnpkg.com/@sentry/minimal/-/minimal-5.15.4.tgz#113f01fefb86b7830994c3dfa7ad4889ba7b2003"
+  integrity sha512-GL4GZ3drS9ge+wmxkHBAMEwulaE7DMvAEfKQPDAjg2p3MfcCMhAYfuY4jJByAC9rg9OwBGGehz7UmhWMFjE0tw==
   dependencies:
-    "@sentry/hub" "5.11.2"
-    "@sentry/types" "5.11.0"
+    "@sentry/hub" "5.15.4"
+    "@sentry/types" "5.15.4"
     tslib "^1.9.3"
 
-"@sentry/types@5.11.0":
-  version "5.11.0"
-  resolved "https://registry.yarnpkg.com/@sentry/types/-/types-5.11.0.tgz#40f0f3174362928e033ddd9725d55e7c5cb7c5b6"
-  integrity sha512-1Uhycpmeo1ZK2GLvrtwZhTwIodJHcyIS6bn+t4IMkN9MFoo6ktbAfhvexBDW/IDtdLlCGJbfm8nIZerxy0QUpg==
+"@sentry/types@5.15.4":
+  version "5.15.4"
+  resolved "https://registry.yarnpkg.com/@sentry/types/-/types-5.15.4.tgz#37f30e35b06e8e12ad1101f1beec3e9b88ca1aab"
+  integrity sha512-quPHPpeAuwID48HLPmqBiyXE3xEiZLZ5D3CEbU3c3YuvvAg8qmfOOTI6z4Z3Eedi7flvYpnx3n7N3dXIEz30Eg==
 
-"@sentry/utils@5.11.1":
-  version "5.11.1"
-  resolved "https://registry.yarnpkg.com/@sentry/utils/-/utils-5.11.1.tgz#aa19fcc234cf632257b2281261651d2fac967607"
-  integrity sha512-O0Zl4R2JJh8cTkQ8ZL2cDqGCmQdpA5VeXpuBbEl1v78LQPkBDISi35wH4mKmLwMsLBtTVpx2UeUHBj0KO5aLlA==
+"@sentry/utils@5.15.4":
+  version "5.15.4"
+  resolved "https://registry.yarnpkg.com/@sentry/utils/-/utils-5.15.4.tgz#02865ab3c9b745656cea0ab183767ec26c96f6e6"
+  integrity sha512-lO8SLBjrUDGADl0LOkd55R5oL510d/1SaI08/IBHZCxCUwI4TiYo5EPECq8mrj3XGfgCyq9osw33bymRlIDuSQ==
   dependencies:
-    "@sentry/types" "5.11.0"
+    "@sentry/types" "5.15.4"
     tslib "^1.9.3"
 
 "@turf/area@^6.0.1":
@@ -9105,16 +9105,11 @@ ts-pnp@^1.1.6:
   resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.2.0.tgz#a500ad084b0798f1c3071af391e65912c86bca92"
   integrity sha512-csd+vJOb/gkzvcCHgTGSChYpy5f1/XKNsmvBGO4JXS+z1v2HobugDz4s1IeFXM3wZB44uczs+eazB5Q/ccdhQw==
 
-tslib@^1.9.0:
+tslib@^1.9.0, tslib@^1.9.3:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.11.1.tgz#eb15d128827fbee2841549e171f45ed338ac7e35"
   integrity sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==
 
-tslib@^1.9.3:
-  version "1.9.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
-  integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
-
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"