163邮箱大家都使用过吧，那么基于php如何实现163邮箱自动发送邮件功能呢，下面服务器之家小编给大家分享具体实现代码：
想给大家展示下效果图：
demo.html
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<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<title>php利用smtp类发送邮件范例</title>
</head>
<body>
<form action="sendmail.php" method="post">
<p>收件人：<input type="text" name="toemail" /></p>
<p>标 题：<input type="text" name="title" /></p>
<p>内 容：<textarea name="content" cols="50" rows="5"></textarea></p>
<p><input type="submit" value="发送" /></p>
</form>
</body>
</html>
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sendmail.php
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<meta charset="utf-8">
<?php
/**
* 注：本邮件类都是经过我测试成功了的，如果大家发送邮件的时候遇到了失败的问题，请从以下几点排查：
* 1. 用户名和密码是否正确；
* 2. 检查邮箱设置是否启用了smtp服务；
* 3. 是否是php环境的问题导致；
* 4. 将26行的$smtp->debug = false改为true，可以显示错误信息，然后可以复制报错信息到网上搜一下错误的原因
*/
require_once "email.class.php";
//******************** 配置信息 ********************************
$smtpserver = "smtp.163.com";//smtp服务器
$smtpserverport =25;//smtp服务器端口
$smtpusermail = "onestopweb@163.com";//smtp服务器的用户邮箱
$smtpemailto = $_post['toemail'];//发送给谁
$smtpuser = "onestopweb";//smtp服务器的用户帐号
$smtppass = "123456";//smtp服务器的用户密码
$mailtitle = $_post['title'];//邮件主题
$mailcontent = "<h1>".$_post['content']."</h1>";//邮件内容
$mailtype = "html";//邮件格式（html/txt）,txt为文本邮件
//************************ 配置信息 ****************************
$smtp = new smtp($smtpserver,$smtpserverport,true,$smtpuser,$smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证.
$smtp->debug = false;//是否显示发送的调试信息
$state = $smtp->sendmail($smtpemailto, $smtpusermail, $mailtitle, $mailcontent, $mailtype);
echo "<div style='width:300px; margin:36px auto;'>";
if($state==""){
echo "对不起，邮件发送失败！请检查邮箱填写是否有误。";
echo "<a href='index.html'>点此返回</a>";
exit();
}
echo "恭喜！邮件发送成功！！";
echo "<a href='index.html'>点此返回</a>";
echo "</div>";
?>
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email.class.php
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<?php
class smtp
{
var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;
var $sock;
function smtp($relay_host = "", $smtp_port = 25,$auth = false,$user,$pass)
{
$this->debug = false;
$this->smtp_port = $smtp_port;
$this->relay_host = $relay_host;
$this->time_out = 3600;
$this->auth = $auth;
$this->user = $user;
$this->pass = $pass;
$this->host_name = "localhost";
$this->log_file = "";
$this->sock = false;
}
function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")
{
$mail_from = $this->get_address($this->strip_comment($from));
$body = ereg_replace("(^|(\r\n))(\.)", "\1.\3", $body);
$header = "mime-version:1.0\r\n";
if($mailtype=="html"){
$header .= "content-type:text/html\r\n";
}
$header .= "to: ".$to."\r\n";
if ($cc != "") {
$header .= "cc: ".$cc."\r\n";
}
$header .= "from: $from<".$from.">\r\n";
$header .= "subject: ".$subject."\r\n";
$header .= $additional_headers;
$header .= "date: ".date("r")."\r\n";
$header .= "x-mailer:by redhat (php/".phpversion().")\r\n";
list($msec, $sec) = explode(" ", microtime());
$header .= "message-id: <".date("ymdhis", $sec).".".($msec*1000000).".".$mail_from.">\r\n";
$to = explode(",", $this->strip_comment($to));
if ($cc != "") {
$to = array_merge($to, explode(",", $this->strip_comment($cc)));
}
if ($bcc != "") {
$to = array_merge($to, explode(",", $this->strip_comment($bcc)));
}
$sent = true;
foreach ($to as $rcpt_to) {
$rcpt_to = $this->get_address($rcpt_to);
if (!$this->smtp_sockopen($rcpt_to)) {
$this->log_write("error: cannot send email to ".$rcpt_to."\n");
$sent = false;
continue;
}
if ($this->smtp_send($this->host_name, $mail_from, $rcpt_to, $header, $body)) {
$this->log_write("e-mail has been sent to <".$rcpt_to.">\n");
} else {
$this->log_write("error: cannot send email to <".$rcpt_to.">\n");
$sent = false;
}
fclose($this->sock);
$this->log_write("disconnected from remote host\n");
}
return $sent;
}
function smtp_send($helo, $from, $to, $header, $body = "")
{
if (!$this->smtp_putcmd("helo", $helo)) {
return $this->smtp_error("sending helo command");
}
if($this->auth){
if (!$this->smtp_putcmd("auth login", base64_encode($this->user))) {
return $this->smtp_error("sending helo command");
}
if (!$this->smtp_putcmd("", base64_encode($this->pass))) {
return $this->smtp_error("sending helo command");
}
}
if (!$this->smtp_putcmd("mail", "from:<".$from.">")) {
return $this->smtp_error("sending mail from command");
}
if (!$this->smtp_putcmd("rcpt", "to:<".$to.">")) {
return $this->smtp_error("sending rcpt to command");
}
if (!$this->smtp_putcmd("data")) {
return $this->smtp_error("sending data command");
}
if (!$this->smtp_message($header, $body)) {
return $this->smtp_error("sending message");
}
if (!$this->smtp_eom()) {
return $this->smtp_error("sending <cr><lf>.<cr><lf> [eom]");
}
if (!$this->smtp_putcmd("quit")) {
return $this->smtp_error("sending quit command");
}
return true;
}
function smtp_sockopen($address)
{
if ($this->relay_host == "") {
return $this->smtp_sockopen_mx($address);
} else {
return $this->smtp_sockopen_relay();
}
}
function smtp_sockopen_relay()
{
$this->log_write("trying to ".$this->relay_host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($this->relay_host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("error: cannot connenct to relay host ".$this->relay_host."\n");
$this->log_write("error: ".$errstr." (".$errno.")\n");
return false;
}
$this->log_write("connected to relay host ".$this->relay_host."\n");
return true;
}
function smtp_sockopen_mx($address)
{
$domain = ereg_replace("^.+@([^@]+)$", "\1", $address);
if (!@getmxrr($domain, $mxhosts)) {
$this->log_write("error: cannot resolve mx \"".$domain."\"\n");
return false;
}
foreach ($mxhosts as $host) {
$this->log_write("trying to ".$host.":".$this->smtp_port."\n");
$this->sock = @fsockopen($host, $this->smtp_port, $errno, $errstr, $this->time_out);
if (!($this->sock && $this->smtp_ok())) {
$this->log_write("warning: cannot connect to mx host ".$host."\n");
$this->log_write("error: ".$errstr." (".$errno.")\n");
continue;
}
$this->log_write("connected to mx host ".$host."\n");
return true;
}
$this->log_write("error: cannot connect to any mx hosts (".implode(", ", $mxhosts).")\n");
return false;
}
function smtp_message($header, $body)
{
fputs($this->sock, $header."\r\n".$body);
$this->smtp_debug("> ".str_replace("\r\n", "\n"."> ", $header."\n> ".$body."\n> "));
return true;
}
function smtp_eom()
{
fputs($this->sock, "\r\n.\r\n");
$this->smtp_debug(". [eom]\n");
return $this->smtp_ok();
}
function smtp_ok()
{
$response = str_replace("\r\n", "", fgets($this->sock, 512));
$this->smtp_debug($response."\n");
if (!ereg("^[23]", $response)) {
fputs($this->sock, "quit\r\n");
fgets($this->sock, 512);
$this->log_write("error: remote host returned \"".$response."\"\n");
return false;
}
return true;
}
function smtp_putcmd($cmd, $arg = "")
{
if ($arg != "") {
if($cmd=="") $cmd = $arg;
else $cmd = $cmd." ".$arg;
}
fputs($this->sock, $cmd."\r\n");
$this->smtp_debug("> ".$cmd."\n");
return $this->smtp_ok();
}
function smtp_error($string)
{
$this->log_write("error: error occurred while ".$string.".\n");
return false;
}
function log_write($message)
{
$this->smtp_debug($message);
if ($this->log_file == "") {
return true;
}
$message = date("m d h:i:s ").get_current_user()."[".getmypid()."]: ".$message;
if (!@file_exists($this->log_file) || !($fp = @fopen($this->log_file, "a"))) {
$this->smtp_debug("warning: cannot open log file \"".$this->log_file."\"\n");
return false;;
}
flock($fp, lock_ex);
fputs($fp, $message);
fclose($fp);
return true;
}
function strip_comment($address)
{
$comment = "\([^()]*\)";
while (ereg($comment, $address)) {
$address = ereg_replace($comment, "", $address);
}
return $address;
}
function get_address($address)
{
$address = ereg_replace("([ \t\r\n])+", "", $address);
$address = ereg_replace("^.*<(.+)>.*$", "\1", $address);
return $address;
}
function smtp_debug($message)
{
if ($this->debug) {
echo $message;
}
}
}
?>
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有关php实现163邮箱自动发送邮件功能小编就到此给大家介绍完了，希望对大家有所帮助！