diff --git a/back/app/models/user.rb b/back/app/models/user.rb
index 017c874be9d1..f2b1a6a80d75 100644
--- a/back/app/models/user.rb
+++ b/back/app/models/user.rb
@@ -517,7 +517,7 @@ def reset_confirmation_and_counts
   end
 
   def should_send_confirmation_email?
-    confirmation_required? && email_confirmation_code_sent_at.nil?
+    confirmation_required? && email_confirmation_code_sent_at.nil? && (PhoneService.new.encoded_phone_or_email?(email) == :email)
   end
 
   def email_confirmation_code_expiration_at
diff --git a/back/app/services/side_fx_user_service.rb b/back/app/services/side_fx_user_service.rb
index d13fab9d3ceb..e8c7d91dd953 100644
--- a/back/app/services/side_fx_user_service.rb
+++ b/back/app/services/side_fx_user_service.rb
@@ -13,7 +13,7 @@ def after_create(user, current_user)
       LogActivityJob.set(wait: 5.seconds).perform_later(user, 'admin_rights_given', current_user, user.created_at.to_i)
     end
     user.create_email_campaigns_unsubscription_token
-    RequestConfirmationCodeJob.perform_later(user) if user.should_send_confirmation_email?
+    RequestConfirmationCodeJob.perform_now(user) if user.should_send_confirmation_email?
     AdditionalSeatsIncrementer.increment_if_necessary(user, current_user) if user.roles_previously_changed?
   end
 
@@ -29,7 +29,7 @@ def after_update(user, current_user)
     AdditionalSeatsIncrementer.increment_if_necessary(user, current_user) if user.roles_previously_changed?
 
     UpdateMemberCountJob.perform_later
-    RequestConfirmationCodeJob.perform_later(user) if user.should_send_confirmation_email?
+    RequestConfirmationCodeJob.perform_now(user) if user.should_send_confirmation_email?
   end
 
   def before_destroy(user, _current_user)
diff --git a/back/spec/acceptance/users_spec.rb b/back/spec/acceptance/users_spec.rb
index 92fd890d650c..e99495272652 100644
--- a/back/spec/acceptance/users_spec.rb
+++ b/back/spec/acceptance/users_spec.rb
@@ -156,7 +156,7 @@
 
         context 'when the user_confirmation module is active' do
           before do
-            allow(RequestConfirmationCodeJob).to receive(:perform_later)
+            allow(RequestConfirmationCodeJob).to receive(:perform_now)
             SettingsService.new.activate_feature! 'user_confirmation'
           end
 
@@ -170,7 +170,7 @@
             assert_status 201
             json_response = json_parse(response_body)
             user = User.order(:created_at).last
-            expect(RequestConfirmationCodeJob).to have_received(:perform_later).with(user).once
+            expect(RequestConfirmationCodeJob).to have_received(:perform_now).with(user).once
             expect(json_response.dig(:data, :attributes, :confirmation_required)).to be true # when no custom fields
           end
         end
@@ -292,7 +292,7 @@
         let(:locale) { 'en' }
 
         before do
-          allow(RequestConfirmationCodeJob).to receive(:perform_later)
+          allow(RequestConfirmationCodeJob).to receive(:perform_now)
           SettingsService.new.activate_feature! 'user_confirmation'
         end
 
@@ -300,7 +300,7 @@
           example_request 'User successfully created and requires confirmation' do
             assert_status 201
             user = User.order(:created_at).last
-            expect(RequestConfirmationCodeJob).to have_received(:perform_later).with(user).once
+            expect(RequestConfirmationCodeJob).to have_received(:perform_now).with(user).once
             expect(response_data.dig(:attributes, :confirmation_required)).to be(true)
           end
 
@@ -319,7 +319,7 @@
               do_request
               assert_status 200
               expect(response_data.dig(:attributes, :confirmation_required)).to be(true)
-              expect(RequestConfirmationCodeJob).to have_received(:perform_later).with(existing_user).once
+              expect(RequestConfirmationCodeJob).to have_received(:perform_now).with(existing_user).once
             end
 
             context 'when the request tries to pass additional changed attributes', document: false do