diff --git a/src/Controller/RegistrationController.php b/src/Controller/RegistrationController.php
index 0390cdb..7a1c339 100644
--- a/src/Controller/RegistrationController.php
+++ b/src/Controller/RegistrationController.php
@@ -15,6 +15,7 @@ use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Bundle\SecurityBundle\Security;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
 use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Contracts\Translation\TranslatorInterface;
@@ -53,7 +54,7 @@ final class RegistrationController extends AbstractController
                         ->subject($this->translator->trans('Please Confirm your Email'))
                         ->htmlTemplate('backoffice/registration/confirmation_email.html.twig'),
                 );
-            } catch (\Exception $e) {
+            } catch (TransportExceptionInterface $e) {
                 $logger->error($e->getMessage());
             }
             $response = $security->login($user, 'form_login', 'main');
diff --git a/src/Security/EmailVerifier.php b/src/Security/EmailVerifier.php
index 45c45dc..efac43a 100644
--- a/src/Security/EmailVerifier.php
+++ b/src/Security/EmailVerifier.php
@@ -8,18 +8,19 @@ use App\Entity\User;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bridge\Twig\Mime\TemplatedEmail;
 use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
 use Symfony\Component\Mailer\MailerInterface;
-use SymfonyCasts\Bundle\VerifyEmail\Exception\VerifyEmailExceptionInterface;
 use SymfonyCasts\Bundle\VerifyEmail\VerifyEmailHelperInterface;
 
-class EmailVerifier
+readonly class EmailVerifier
 {
     public function __construct(
-        private readonly VerifyEmailHelperInterface $verifyEmailHelper,
-        private readonly MailerInterface $mailer,
-        private readonly EntityManagerInterface $entityManager,
+        private VerifyEmailHelperInterface $verifyEmailHelper,
+        private MailerInterface $mailer,
+        private EntityManagerInterface $entityManager,
     ) {}
 
+    /** @throws TransportExceptionInterface */
     public function sendEmailConfirmation(string $verifyEmailRouteName, User $user, TemplatedEmail $email): void
     {
         $signatureComponents = $this->verifyEmailHelper->generateSignature(
@@ -39,7 +40,6 @@ class EmailVerifier
         $this->mailer->send($email);
     }
 
-    /** @throws VerifyEmailExceptionInterface */
     public function handleEmailConfirmation(Request $request, User $user): void
     {
         $this->verifyEmailHelper->validateEmailConfirmationFromRequest($request, (string) $user->getId(), (string) $user->getEmail());