Fatal error: Uncaught Error: Class "Horde_Smtp_Exception" not found in /home/tzuovhm/tzuovhm/apps_/mail/vendor/nextcloud/horde-smtp/lib/Horde/Smtp/Exception/Recipients.php:25 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/mail/vendor/nextcloud/horde-smtp/lib/Horde/Smtp/Exception/Recipients.php on line 25