SMTPsock Application--Sending Emails with PHP_PHP Tutorial

server_name can use PHP's own dns resolution function,
The following is the core demonstration, winNT, mail server is Imail,php3.0.6
You need to modify php3.ini to open the imap module, and compile php on Linux --with- IMAP

function send_email ( $to,$from,$subject,$message ){
global $SERVER_NAME;
$fp = fsockopen ( $SERVER_NAME, 25 );
if ( $fp ){

echo "connected";

set_socket_blocking( $fp, false );
$output=fgets($fp,2500);

echo $output;

if (! ereg ( "^220", $output ) ) {
exit();
} else {

echo " talking ";

//set_socket_blocking ( $fp, true );
fputs ( $fp, "HELO $from_domain " );
$output = fgets ( $fp, 2000 );

echo $output;

fputs ( $fp, "MAIL FROM: " );
$output = fgets ( $fp, 2000 );

echo $output;

fputs ( $fp, "RCPT TO: " );
$output = fgets ( $fp, 2000 );

echo $output;

fputs($fp,"DATA ");
fputs($fp,"To: $to ");

fputs($fp,"From: $from ");
fputs($fp,"Subject: $subject ");
fputs($fp,"$message . ");
fputs($fp, "QUIT " );
}
}
fclose($fp);
}

$SERVER_NAME="127.0.0.1";
$from_domain="ws";
$to=" daiger@xifeng.com ";
$from=" wangsu@xifeng.com ";
$subject="test SMTP through PHP Chinese";
$message="Send email via PHP smtp connectionsnnnothing happens 中文
中文中文";

send_email ( $to,$from,$subject,$message );
echo "ok lah";
?>

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