PHP 發送郵件函數

php 發送郵件函數

<?php
/**


記錄數據
*/
function runlog($mode = 'SMTP',$b = '',$c = '',$d='') {

}
/**

發送郵件
@param $toemail 收件人email
@param $subject 郵件主題
@param $message 正文
*/

function sendmail($toemail, $subject, $message) {

$config = array (
    'mailsend' => 2,
    'maildelimiter' => 1,
    'mailusername' => 1,
    'server' => 'smtp.qq.com',
    'port' => 25,
    'mail_type' => 1,
    'auth' => 1,
    'from' => '123456@qq.com',
    'auth_username' => '123456@qq.com',
    'auth_password' => 'password',
); 

$charset   = 'utf-8';
$mail      = $config;
$from      = $config['from'];
$mail_type = $config['mail_type'];

//mail 發送模式
if($mail_type==0) {
    $headers  = 'MIME-Version: 1.0' . "\r\n";
    $headers .= 'Content-type: text/html; charset='.$charset.'' . "\r\n";
    $headers .= 'From: <'.$from.'>' . "\r\n";
    mail($toemail, $subject, $message, $headers);
    return true;
}
//郵件頭的分隔符
$maildelimiter = $mail['maildelimiter'] == 1 ? "\r\n" : ($mail['maildelimiter'] == 2 ? "\r" : "\n");
//收件人地址中包含用戶名
$mailusername = isset($mail['mailusername']) ? $mail['mailusername'] : 1;
//端口
$mail['port'] = $mail['port'] ? $mail['port'] : 25;
$mail['mailsend'] = $mail['mailsend'] ? $mail['mailsend'] : 1;

//發信者
$email_from = $from == '' ? '=?'.$charset.'?B?'."?= <".$from.">" : (preg_match('/^(.+?) \<(.+?)\>$/',$from, $mats) ? '=?'.$charset.'?B?'.base64_encode($mats[1])."?= <$mats[2]>" : $from);

$email_to = preg_match('/^(.+?) \<(.+?)\>$/',$toemail, $mats) ? ($mailusername ? '=?'.$charset.'?B?'.base64_encode($mats[1])."?= <$mats[2]>" : $mats[2]) : $toemail;;

$email_subject = '=?'.$charset.'?B?'.base64_encode(preg_replace("/[\r|\n]/", '', $subject)).'?=';
$email_message = chunk_split(base64_encode(str_replace("\n", "\r\n", str_replace("\r", "\n", str_replace("\r\n", "\n", str_replace("\n\r", "\r", $message))))));

$headers = "From: $email_from{$maildelimiter}X-Priority: 3{$maildelimiter}X-Mailer: PHPCMS-V9 {$maildelimiter}MIME-Version: 1.0{$maildelimiter}Content-type: text/html; charset=".$charset."{$maildelimiter}Content-Transfer-Encoding: base64{$maildelimiter}";

if(!$fp = fsockopen($mail['server'], $mail['port'], $errno, $errstr, 30)) {
    runlog('SMTP', "($mail[server]:$mail[port]) CONNECT - Unable to connect to the SMTP server", 0);
    return false;
}
stream_set_blocking($fp, true);

$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != '220') {
    runlog('SMTP', "$mail[server]:$mail[port] CONNECT - $lastmessage", 0);
    return false;
}

fputs($fp, ($mail['auth'] ? 'EHLO' : 'HELO')." phpcms\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 220 && substr($lastmessage, 0, 3) != 250) {
    runlog('SMTP', "($mail[server]:$mail[port]) HELO/EHLO - $lastmessage", 0);
    return false;
}

while(1) {
    if(substr($lastmessage, 3, 1) != '-' || empty($lastmessage)) {
        break;
    }
    $lastmessage = fgets($fp, 512);
}

if($mail['auth']) {
    fputs($fp, "AUTH LOGIN\r\n");
    $lastmessage = fgets($fp, 512);
    if(substr($lastmessage, 0, 3) != 334) {
        runlog('SMTP', "($mail[server]:$mail[port]) AUTH LOGIN - $lastmessage", 0);
        return false;
    }

    fputs($fp, base64_encode($mail['auth_username'])."\r\n");
    $lastmessage = fgets($fp, 512);
    if(substr($lastmessage, 0, 3) != 334) {
        runlog('SMTP', "($mail[server]:$mail[port]) USERNAME - $lastmessage", 0);
        return false;
    }

    fputs($fp, base64_encode($mail['auth_password'])."\r\n");
    $lastmessage = fgets($fp, 512);
    if(substr($lastmessage, 0, 3) != 235) {
        runlog('SMTP', "($mail[server]:$mail[port]) PASSWORD - $lastmessage", 0);
        return false;
    }

    $email_from = $mail['from'];
}

fputs($fp, "MAIL FROM: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $email_from).">\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250) {
    fputs($fp, "MAIL FROM: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $email_from).">\r\n");
    $lastmessage = fgets($fp, 512);
    if(substr($lastmessage, 0, 3) != 250) {
        runlog('SMTP', "($mail[server]:$mail[port]) MAIL FROM - $lastmessage", 0);
        return false;
    }
}

fputs($fp, "RCPT TO: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $toemail).">\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250) {
    fputs($fp, "RCPT TO: <".preg_replace("/.*\<(.+?)\>.*/", "\\1", $toemail).">\r\n");
    $lastmessage = fgets($fp, 512);
    runlog('SMTP', "($mail[server]:$mail[port]) RCPT TO - $lastmessage", 0);
    return false;
}

fputs($fp, "DATA\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 354) {
    runlog('SMTP', "($mail[server]:$mail[port]) DATA - $lastmessage", 0);
    return false;
}

$headers .= 'Message-ID: <'.gmdate('YmdHs').'.'.substr(md5($email_message.microtime()), 0, 6).rand(100000, 999999).'@'.$_SERVER['HTTP_HOST'].">{$maildelimiter}";

fputs($fp, "Date: ".gmdate('r')."\r\n");
fputs($fp, "To: ".$email_to."\r\n");
fputs($fp, "Subject: ".$email_subject."\r\n");
fputs($fp, $headers."\r\n");
fputs($fp, "\r\n\r\n");
fputs($fp, "$email_message\r\n.\r\n");
$lastmessage = fgets($fp, 512);
if(substr($lastmessage, 0, 3) != 250) {
    runlog('SMTP', "($mail[server]:$mail[port]) END - $lastmessage", 0);
}
fputs($fp, "QUIT\r\n");
return true;

}
?></pre></span>