Fatal error: Uncaught Error: Class "Zend\Mail\Protocol\Smtp" not found in /home/mailtrim/public_html/vendor-backup/zendframework/zend-mail/src/Protocol/Smtp/Auth/Crammd5.php:16 Stack trace: #0 {main} thrown in /home/mailtrim/public_html/vendor-backup/zendframework/zend-mail/src/Protocol/Smtp/Auth/Crammd5.php on line 16