fsockopen 使用ssl 出错 但是服务器已经开启了openssl扩展了

Question

Warning: fsockopen(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /data/www/default/em.php on line 2 Call Stack: 0.0001 355744 1. {main}() /data/www/default/em.php:0 0.0001 355792 2. fsockopen() /data/www/default/em.php:2 Warning: fsockopen(): Failed to enable crypto in /data/www/default/em.php on line 2 Call Stack: 0.0001 355744 1. {main}() /data/www/default/em.php:0 0.0001 355792 2. fsockopen() /data/www/default/em.php:2 Warning: fsockopen(): unable to connect to ssl://smtp.163.com:465 (Unknown error) in /data/www/default/em.php on line 2 Call Stack: 0.0001 355744 1. {main}() /data/www/default/em.php:0 0.0001 355792 2. fsockopen() /data/www/default/em.php:2 (0)