Magento Open Source, 2.0.x

Magento 2.0.18 is the final 2.0.x release. After March 2018, Magento 2.0.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses. compliance, upgrade to the latest version of Magento.

Sending Newsletters

To manage the load on the server, newsletters with many subscribers are sent in batches. The process is managed as a queue of separate batches. Any problems that occur during the transmission appear on the Newsletter Problem Report.