Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Crypto\SMime' not found in /var/www/typo3/vendor/symfony/mime/Crypto/SMimeEncrypter.php:20
Stack trace:
#0 {main}
thrown in /var/www/typo3/vendor/symfony/mime/Crypto/SMimeEncrypter.php on line 20