diff --git a/app/Http/Controllers/AuthController.php b/app/Http/Controllers/AuthController.php
index 2c40fc4..2272ef7 100644
--- a/app/Http/Controllers/AuthController.php
+++ b/app/Http/Controllers/AuthController.php
@@ -24,6 +24,7 @@ use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\Str;
 use Illuminate\Support\ValidatedInput;
 use Illuminate\View\View;
+use Throwable;
 
 class AuthController extends Controller
 {
@@ -43,7 +44,21 @@ class AuthController extends Controller
 
         $user = User::create($userAttributes);
 
-        $user->sendEmailVerificationNotification();
+        try {
+            $user->sendEmailVerificationNotification();
+        } catch (Throwable $exception) {
+            report($exception);
+
+            $user->forceDelete();
+
+            if ($avatarPath !== null) {
+                Storage::disk('public')->delete($avatarPath);
+            }
+
+            return response()->json([
+                'message' => __('api.auth.verification_email_failed'),
+            ], 503);
+        }
 
         $token = $user->createToken('api', ['user'])->plainTextToken;
 
diff --git a/lang/en/api.php b/lang/en/api.php
index 3a89996..337c4fd 100644
--- a/lang/en/api.php
+++ b/lang/en/api.php
@@ -10,6 +10,7 @@ return [
         'verified' => 'Account verified successfully.',
         'verification_sent' => 'Verification email sent.',
         'verification_sent_if_unverified' => 'If an unverified account exists for this address, a verification email has been sent.',
+        'verification_email_failed' => 'Unable to send the verification email right now. Please try again later.',
         'password_reset_link_sent' => 'If an account exists for this address, a password reset link has been sent.',
         'password_reset' => 'Password reset successfully.',
         'logout' => 'Logged out successfully.',
diff --git a/lang/fr/api.php b/lang/fr/api.php
index 109dbd2..a37c8ca 100644
--- a/lang/fr/api.php
+++ b/lang/fr/api.php
@@ -10,6 +10,7 @@ return [
         'verified' => 'Compte vérifié avec succès.',
         'verification_sent' => 'Email de vérification envoyé.',
         'verification_sent_if_unverified' => 'Si un compte non vérifié existe avec cette adresse, un email de vérification vient d’être envoyé.',
+        'verification_email_failed' => "Impossible d'envoyer l'email de vérification pour le moment. Réessaie plus tard.",
         'password_reset_link_sent' => 'Si un compte existe avec cette adresse, un lien de réinitialisation vient d’être envoyé.',
         'password_reset' => 'Mot de passe réinitialisé avec succès.',
         'logout' => 'Déconnecté avec succès.',
diff --git a/tests/Feature/EmailVerificationTest.php b/tests/Feature/EmailVerificationTest.php
index c16acb3..ecf98dd 100644
--- a/tests/Feature/EmailVerificationTest.php
+++ b/tests/Feature/EmailVerificationTest.php
@@ -56,6 +56,25 @@ it('sends a verification email when a user registers', function () {
     Notification::assertSentTo($user, VerifyEmail::class);
 });
 
+it('returns a temporary error when the verification email cannot be sent during registration', function () {
+    Notification::shouldReceive('send')
+        ->once()
+        ->andThrow(new RuntimeException('Mail transport unavailable'));
+
+    $this->postJson('/api/auth/register', [
+        'name' => 'Leon',
+        'email' => 'leon@example.com',
+        'password' => 'Motsdfdepasse123*',
+        'locale' => 'fr-FR',
+    ])
+        ->assertServiceUnavailable()
+        ->assertJsonPath('message', __('api.auth.verification_email_failed'));
+
+    $this->assertDatabaseMissing('users', [
+        'email' => 'leon@example.com',
+    ]);
+});
+
 it('uses the custom account verification mailable', function () {
     $user = User::factory()->unverified()->create([
         'locale' => 'fr',