smbclient //server_ip_add/share -U username

sudo mkdir /media/BACKUP
sudo mount -t cifs -o username=domainusername //ip_add/ShareFolder /media/BACKUP

sudo rsync -azp /path/to/source /media/BACKUP/ShareFolder

sudo gedit /etc/fstab

//ip_add/ShareFolder /media/BACKUP/ cifs credentials=/home/username/.smbcredentials,iocharset=utf8,gid=1000,uid=1000,file_mode=0777,dir_mode=0777,sec=ntlm 0 0

username=domainusername
password=Password