smtp送信のphp関数を収集し,テストした.

echo send_mail('[email protected]','    ','    '); 

function send_mail($to, $subject = 'No subject', $body) { 
$loc_host = "#"; //      ，    
$smtp_acc = "#"; //Smtp      ， 
$smtp_pass="password"; //Smtp     ，    pop3   
$smtp_host="#"; //SMTP     ，   smtp.tom.com 
$from="#"; //   Email  ，         
$headers = "Content-Type: text/plain; charset=\"gb2312\"\r
Content-Transfer-Encoding: base64"; 
$lb="\r
"; //linebreak 

$hdr = explode($lb,$headers); //    hdr 
if($body) {$bdy = preg_replace("/^\./","..",explode($lb,$body));}//    Body 

$smtp = array( 
//1、EHLO，    220  250 
array("EHLO ".$loc_host.$lb,"220,250","HELO error: "), 
//2、  Auth Login，    334 
array("AUTH LOGIN".$lb,"334","AUTH error:"), 
//3、    Base64      ，    334 
array(base64_encode($smtp_acc).$lb,"334","AUTHENTIFICATION error : "), 
//4、    Base64     ，    235 
array(base64_encode($smtp_pass).$lb,"235","AUTHENTIFICATION error : ")); 
//5、  Mail From，    250 
$smtp[] = array("MAIL FROM: <".$from.">".$lb,"250","MAIL FROM error: "); 
//6、  Rcpt To。    250 
$smtp[] = array("RCPT TO: <".$to.">".$lb,"250","RCPT TO error: "); 
//7、  DATA，    354 
$smtp[] = array("DATA".$lb,"354","DATA error: "); 
//8.0、  From 
$smtp[] = array("From: ".$from.$lb,"",""); 
//8.2、  To 
$smtp[] = array("To: ".$to.$lb,"",""); 
//8.1、     
$smtp[] = array("Subject: ".$subject.$lb,"",""); 
//8.3、    Header   
foreach($hdr as $h) {$smtp[] = array($h.$lb,"","");} 
//8.4、      ，  Header   
$smtp[] = array($lb,"",""); 
//8.5、       
if($bdy) {foreach($bdy as $b) {$smtp[] = array(base64_encode($b.$lb).$lb,"","");}} 
//9、  “.”      ，    250 
$smtp[] = array(".".$lb,"250","DATA(end)error: "); 
//10、  Quit，  ，    221 
$smtp[] = array("QUIT".$lb,"221","QUIT error: "); 

//  smtp      
$fp = @fsockopen($smtp_host, 25); 
if (!$fp) echo "<b>Error:</b> Cannot conect to ".$smtp_host."<br>"; 
while($result = @fgets($fp, 1024)){if(substr($result,3,1) == " ") { break; }} 

$result_str=""; 
//  smtp      /   
foreach($smtp as $req){ 
//     
@fputs($fp, $req[0]); 
//             ，  
if($req[1]){ 
//     
while($result = @fgets($fp, 1024)){ 
if(substr($result,3,1) == " ") { break; } 
}; 
if (!strstr($req[1],substr($result,0,3))){ 
$result_str.=$req[2].$result."<br>"; 
} 
} 
} 
//     
@fclose($fp); 
return $result_str; 
} 
?>