During a fresh installation, the wizard will explicitly ask for your purchase code:
is an exciting step toward total control over your campaigns. However, before you can start sending, you need to properly validate your license. mailwizz license key install
Ensure your server has cURL enabled in PHP. Ask your hosting provider to ensure outbound traffic on ports 80 and 443 is open, and that it is not blocking ://mailwizz.com . Error: "License already in use on another domain" During a fresh installation, the wizard will explicitly
⚠️ If your server cannot reach the license server (due to a datacenter firewall or local DNS issue), the MailWizz license key install will fail with a “Connection timed out” error. Ask your hosting provider to ensure outbound traffic
If you are moving your website, you must delete the old MailWizz installation first. If you want to run MailWizz on multiple domains simultaneously, you must purchase an additional license from CodeCanyon for each website. 5. Best Practices for MailWizz License Management
If the installer hangs or throws a network error after you input the key, your server is likely blocked from communicating with the MailWizz licensing API.