Magento 2 Maintenance Page Extension

Magento 2 Maintenance Page extension allows store owners to display a custom page when the site is under maintenance, upgrading, or a new product is coming soon and notify customers via email

Maintenance Page Extension for Magento 2 allows store owners to display a custom page when the site is under maintenance, upgrading, or a new product is coming soon and notify customers via email when the site is accessible.