WHMCS Security Best Practices to Protect Your Billing System
WHMCS is the center of your billing, customer management, invoices, orders, support tickets, and service automation. Because it handles sensitive business and client data, keeping your WHMCS installation secure is extremely important. Whether you run a hosting company, IPTV business, SaaS platform, or digital service store, weak WHMCS security can lead to fake signups, spam […]
WHMCS Module Not Working After Installation? Common Fixes
If a WHMCS module is not working after installation, it can usually be traced to a setup issue such as wrong upload path, missing files, incorrect permissions, PHP version mismatch, ionCube Loader problem, license validation issue, template conflict, or configuration mistake. This can happen with WHMCS addon modules, payment gateways, server/provisioning modules, hooks, notification tools, […]
WHMCS Cron Job Not Working? How to Fix Automation Issues
If your WHMCS cron job is not working, important automation tasks may stop running. This can affect invoices, payment reminders, overdue notices, service suspensions, domain renewals, support notifications, and other scheduled actions. For hosting companies, IPTV resellers, SaaS platforms, and digital service providers, WHMCS cron automation is very important. If the cron is misconfigured or […]
Email Not Sending in WHMCS? Here’s How to Fix It
If emails are not sending in WHMCS, your customers may miss important invoices, password resets, order confirmations, support ticket replies, and renewal reminders. This can create billing delays, support confusion, and a poor customer experience. WHMCS email issues can happen because of incorrect SMTP settings, wrong mail provider credentials, blocked ports, DNS problems, cron issues, […]
How to Fix License Invalid Error in WHMCS
The WHMCS license invalid error usually appears when WHMCS cannot verify your license details correctly. This can happen because of an incorrect license key, changed domain, changed IP address, changed installation directory, server firewall issue, or connection problem with the license verification system. If you recently moved WHMCS to a new server, changed your domain, […]