function pop3xxx($server,$port,$user,$pass)
{
$r=fsockopen($server,$port);
$s=fgets($r);
fputs($r,"user ".$user."\r\n");
$s=fgets($r);
fputs($r,"pass ".$pass."\r\n");
$s=fgets($r);
return strncmp($s,"+OK",3)==0;
fclose($r);
}