解决Opencart 2.0.2.0 发不出邮件问题

在升级Opencart到2.0.2.0后大家会发现,邮件配置突然间不好用了。 提示以下报错: Warning: fsockopen(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /system/library/mail.php on line 168Warning: fsockopen(): unable to connect to :25 (php_network_getaddresses: getaddrinfo…