Laravel Expert to Fix 500 Error

This is not a Firewall or SES level issue It's code related , Looking for an expert laravel developer to fix via Zoom [login to view URL]: Connection could not be established with host [login to view URL] :stream_socket_client(): unable to connect to tcp://[login to view URL] (Connection refused) {"userId":1,"exception":"[object] (Swift_TransportException(code: 0): Connection could not be established with host [login to view URL] :stream_socket_client(): unable to connect to tcp://[login to view URL] (Connection refused) at /var/www/vhosts/[login to view URL]:263) [stacktrace] #0 [internal function]: Swift_Transport_StreamBuffer->{closure}(2, 'stream_socket_c...', '/var/www/vhosts...', 267, Array) #1 /var/www/vhosts/[login to view URL](267): stream_socket_client('tcp://email-smt...', 111, 'Connection refu...', 30, 4, Resource id #647) #2 /var/www/vhosts/[login to view URL](58): Swift_Transport_StreamBuffer->establishSocketConnection()