function fromhost($server, &$havemx)
{
$this->_fromhost = $ret = $havemx = false;
if (is_string($server)) {
$server = FUNC::str_clear($server, array(' '));
$server = strtolower(trim($server));
if ($server != "") {
$ret = true;
$this->_fromhost = $server;
if (FUNC::is_hostname($server)) {
$havemx = FUNC::is_win() ? FUNC::getmxrr_win($server, $mxhost) : getmxrr($server, $mxhost);
}
} else {
throw new Exception('Invalid parameter value, on class SMTP::fromhost()', 512);
}
} else {
throw new Exception('Invalid parameter type value, on class SMTP::fromhost()', 512);
}
return $ret;
}
function getmxrr_win($hostname, &$mxhosts)
{
$mxhosts = array();
if (is_string($hostname) && $hostname != "") {
if (FUNC::is_hostname($hostname)) {
$hostname = strtolower($hostname);
$retstr = exec('nslookup -type=mx ' . $hostname, $retarr);
if ($retstr && count($retarr) > 0) {
foreach ($retarr as $line) {
if (preg_match('/.*mail exchanger = (.*)/', $line, $matches)) {
$mxhosts[] = $matches[1];
}
}
}
} else {
trigger_error('Invalid parameter format, on class FUNC::getmxrr_win()', 512);
}
} else {
trigger_error('Invalid parameter type value, on class FUNC::getmxrr_win()', 512);
}
return count($mxhosts) > 0;
}
