NT下基于邮件服务软件(IMAIL)的发送程序

如果你无法在服务器上安装IMAIL，那只能通过socket来发送邮件。但是如果你幸运的话，也可以用163/sina的
smtp服务。
例程如下(原程序由马毅兄提供)：
Mail Form anywhere
" ;
$fp = fsockopen($smtpserver, 25, &$errno, &$errstr, 10) ; //连接smtp服务器，端口25
if(!$fp) die("wrong open smtp SERVER") ;
$hostreplay=fgets($fp,128);
//if (!strstr($hostreplay,"220")) die(" can n't receive the 220 answer ") ;
$smailname=strstr(ltrim($hostreplay),"220 ") ;
$smailname=substr($smailname,0,strpos($smailname,".")) ;
//echo "\nsmailname:$smailname\n" ;
fputs($fp,"$smailname \n") ;
$hostreplay=fgets($fp,128);
//if (!strstr($hostreplay,"250")) die(" can n't receive the 250 answer ") ;
fputs($fp,"MAIL FROM: \n") ;
$hostreplay=fgets($fp,128) ;
if (!strstr($hostreplay,"250")) {
fputs($fp,"MAIL FROM: root\n") ;
$hostreplay=fgets($fp,128) ;
if (!strstr($hostreplay,"250")) {
fputs($fp,"MAIL FROM: [email protected]\n") ;
echo($hostreplay=fgets($fp,128)) ;
if (!strstr($hostreplay,"250")) {
fputs($fp,"MAIL FROM: $from_address\n") ;
$hostreplay=fgets($fp,128) ;
if (!strstr($hostreplay,"250")) die(" can n't receive the 250 answer ") ;
};
};
};
fputs($fp,"RCPT TO: $to_address\n") ;
$hostreplay=fgets($fp,128);
if (!strstr($hostreplay,"250")) {
fputs($fp,"RCPT TO: $mailname\n") ;
$hostreplay=fgets($fp,128) ;
if (!strstr($hostreplay,"250")) echo(" can n't receive the 354 answer") ;
};
fputs($fp,"DATA\n") ;
$hostreplay=fgets($fp,128) ;
if (!strstr($hostreplay,"354")) die(" can n't receive the 250 answer ") ;
$tosend="From: $from_address\n";
$tosend.="To: $to_address\n";
$tosend.="Subject:".str_replace("\N"," ",$subject)."\n你好，这是yukuang发给您的一封测试信！！
\n.\n";
fputs($fp,$tosend) ;
$hostreplay=fgets($fp,128) ;
if (!strstr($hostreplay,"250")) die(" can n't receive the 250 answer ") ;
fputs($fp,"QUIT\n") ;
fclose($fp) ;
echo "发送成功";
exit();
//if($ck_name!='root') die("bye bye ");
};
?>
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该程序在局域网内调试通过，我的IP是202.110.200.242，供大家测试