After purchases or other events, the system sends a message to the client using an email template. You can also email clients manually.
Troubleshoot and resolve email template syntax errors.
WHMCS's email templates determine the contents of the email messages that your WHMCS installation sends to your customers. You can customize all of WHMCS's included email templates or create your own Smarty email template files.
Troubleshoot and resolve Smarty Error: Not allowed by security policy errors.
Troubleshoot and resolve issues with sending general emails to clients.
WHMCS can send domain renewal notices to your customers before their domain's due date and additional reminders after the due date passes.
Configure a product to send a custom email message using an email template when you create, terminate, or upgrade a corresponding service.