Add the following lines to your /usr/local/directadmin/conf/directadmin.conf file:

/etc/init.d/directadmin restart

---

skip_databases_in_backups=1: This will exclude all MySQL databases during the backup process.
skip_domains_in_backups=1: This will exclude all domains (website files) during the backup process.
skip_imap_in_backups=1: This will exclude all email messages which are stored in user mailboxes during the backup process.

wget -c --referer=引用地址 -O 文件名 "真实下载地址"