here is the complete error i get in ebox.log
ERROR> PgDBEngine.pm:165 EBox::PgDBEngine::insert - Error inserting data: INSERT INTO message ( from_address, message_id, message_size, status, postfix_date, event, message, to_address, client_host_name, relay, client_host_ip) VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
ERROR: null value in column "client_host_ip" violates not-null constraint