MAIL_MAILER=smtp
MAIL_HOST=smtp.qq.com
MAIL_PORT=465
MAIL_USERNAME=qq号
MAIL_PASSWORD=授权码
MAIL_ENCRYPTION=ssl
MAIL_FROM_ADDRESS=qq邮箱
MAIL_FROM_NAME="${APP_NAME}"

参考链接https://m.02405.com/wap.php?action=article&id=1977