Reasons and solutions for WordPress e-commerce emails being flagged as spam by Gmail
In WordPress + WooCommerce e-commerce, user emails are often flagged as spam by Gmail, resulting in lost order notifications. This article details the causes and solutions, including configuring WP Mail SMTP to send emails using Tencent Enterprise Email, correctly adding SPF, DKIM, and DMARC domain authentication, and optimizing email content to help website owners effectively improve Gmail email delivery success rates.