To get your MailWizz license key to work, you must first ensure you have a valid purchase code from either the official MailWizz site or Envato (CodeCanyon). During installation, the license key is tied to your server's IP address and hosting environment to prevent unauthorized use. How to Activate Your License Key
After installing MailWizz on your server: mailwizz license key work
During installation, the application connects to MailWizz servers to validate the key and bind it to your server’s IP address. To get your MailWizz license key to work
What is Mailwizz?
This license is already registered to another MailWizz instance Dependency on Vendor: Activation and periodic checks require