- Switch to Symfony Mailer from SwiftMailer

- Added CSSLSJ new API config

meta/definitions/email.php

@@ -4,12 +4,12 @@ use function DI\autowire, DI\create, DI\get;
 
 use TheBugs\Email\EmailConfiguration,
     TheBugs\Email\MailerInterface,
-    TheBugs\Email\SwiftMailer;
+    TheBugs\Email\SymfonyMailer;
 
 return [
     EmailConfiguration::class => function($c) {
         $email = new EmailConfiguration( EmailConfiguration::AUTH_TYPE_SMTP );
-        $email->smtpHost = getenv('SMTP_HOST');
+        $email->smtpHost = getenv('SMTP_HOSTNAME');
         $email->smtpPort = getenv('SMTP_PORT');
         $email->smtpUsername = getenv('SMTP_USERNAME');
         $email->smtpPassword = getenv('SMTP_PASSWORD');
@@ -20,5 +20,5 @@ return [
         return $email;
     },
 
-    MailerInterface::class => autowire(SwiftMailer::class),
+    MailerInterface::class => autowire(SymfonyMailer::class),
 ];