When you first run the MailWizz web installer on your Virtual Private Server (VPS) or shared hosting, the setup wizard will explicitly request your purchase code.
The license key works by connecting your server installation to the MailWizz licensing system to confirm your purchase authenticity. 1. The Installation Process
The MailWizz license key is a (e.g., MW-XXXX-XXXX-XXXX-XXXX ) that validates your entitlement to use MailWizz Email Marketing Application (self-hosted version). Unlike SaaS products, MailWizz is a one-time purchase per domain, but the license key still enforces domain restrictions and enables updates. mailwizz license key work
Visit the official MailWizz support portal or check your customer dashboard for direct assistance.
: If you change your hosting environment or move to a new domain, you must reset your license to continue using the system. Use the official MailWizz License Reset tool to clear the previous IP association. After resetting, navigate to Backend > Settings > License Info When you first run the MailWizz web installer
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: For features that interact with external apps, use the MailWizz PHP SDK to add subscribers, create campaigns, or run actions via the API. Managing Your License During Development The Installation Process The MailWizz license key is a (e
| Error Message | Cause | Solution | | :--- | :--- | :--- | | | Typo in the code or code was never bought. | Verify the code in your Envato/Mailwizz account. | | "License already in use" | The user moved servers/domains without resetting the key in the portal. | Log into the Mailwizz portal and "Release" the license. | | "API Connection Failed" | Your server cannot communicate with Mailwizz servers (firewall issue). | Whitelist Mailwizz IPs or check allow_url_fopen in PHP settings. | | "License is not active" | The support period has expired, or the purchase was refunded. | Renew support or check the purchase status. |