SMTP无法连接SMTP主机已解决 悬赏100积分

<?php
$config->mail->turnon         = trun;   // trun on email feature or not.
$config->mail->fromAddress    = 'long.jin@jumple.com';      // The from address.
$config->mail->fromName       = 'long.jin';      // The from name.
$config->mail->mta            = 'smtp'; // phpmail|sendmail|smtp|gmail

/* SMTP settings. */
if($config->mail->mta == 'smtp')
{
    $config->mail->smtp->debug    = 2;          // Debug level, 0,1,2.
    $config->mail->smtp->auth     = true;       // Need auth or not.
    $config->mail->smtp->host     = 'smtp.jumple.com';         // The smtp server host address.
    $config->mail->smtp->port     = '25';         // The smtp server host port.
    $config->mail->smtp->secure   = 'ssl';         // The type to encode datas, 'ssl' or 'tls' allowed
    $config->mail->smtp->username = 'long.jin@jumple.com';         // The smtp user, may be a full email adress.
    $config->mail->smtp->password = 'XXXXX';         // The smtp user's password.
}
/* Gmail setting. */
elseif($config->mail->mta == 'gmail')
{
    $config->mail->gmail->debug      = 0;       // Debug level, 0,1,2.
    $config->mail->gmail->username   = "";      // GMAIL username
    $config->mail->gmail->password   = "";      // GMAIL password
}

这个设置有问题吗？总是提示无法连接SMTP主机