.env

@@ -22,4 +22,5 @@ APP_SECRET=
 ###> symfony/mailer ###
 MAILER_DSN=smtp://${MAILER_USER:-null}:${MAILER_PASSWORD:-null}@${MAILER_HOST:-localhost}:${MAILER_PORT:-1025}
 CONTACT_MAIL=${CONTACT_MAIL:-contact@localhost}
+SENDER_MAIL=${SENDER_MAIL:-noreply@localhost}
 ###< symfony/mailer ###

src/Service/ContactService.php

@@ -13,6 +13,8 @@ final readonly class ContactService
         private MailerInterface $mailer,
         #[Autowire(env: 'CONTACT_MAIL')]
         private string $contactEmail,
+        #[Autowire(env: 'SENDER_MAIL')]
+        private string $senderEmail,
     ){
     }
 
@@ -22,7 +24,7 @@ final readonly class ContactService
             ->htmlTemplate('email/contact.html.twig')
             ->context(['data' => $data])
             ->subject('Kontakt aufnahme')
-            ->from($data->email)
+            ->from($this->senderEmail)
             ->to($this->contactEmail);
 
         $this->mailer->send($mail);