i get this in my mail box : https://www.digitalocean.com/community/articles/how-to-log-into-your-droplet-with-putty-for-windows-users

an in cron i have this at the endning : 0 21 * * * /bin/bash /home/backup/mysqldump.sh >/dev/null 2>&1

Stupid Copy/Paste - Just delete the thread got it solved :)