Easily resend a copy of the welcome email that the system sent when that client bought a specific product, addon, or domain.
If the php.ini file that runs the system cron and your system use different PHP versions, you will need to adjust your configuration.
You can restore the default email templates that ship with WHMCS.
If a serious problem occurs, you can restore your database from a recent backup.
NGINX® can't read the .htaccess file that WHMCS uses, so NGINX users must take additional steps to protect sensitive directories.
Schedule a service to terminate at the end of the current billing period. When you do this, the system will cancel any unpaid invoices.
Configure pricing for a product in multiple currencies. You can set multi-currency pricing manually or WHMCS can update it daily.