demo.html
php利用smtp类发送邮件范例
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内 容：
sendmail.php
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
$mailcontent = .$_post['content'].;//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, $mailtype);
echo ;
if($state==){
echo 对不起，邮件发送失败！请检查邮箱填写是否有误。;
echo 点此返回;
exit();
}
echo 恭喜！邮件发送成功！！;
echo 点此返回;
echo
;
?>
email.class.php
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\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: \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 \n);
} else {
$this->log_write(error: cannot send email 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:)) {
return $this->smtp_error(sending mail from command);
}
if (!$this->smtp_putcmd(rcpt, 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 $this->smtp_error(sending . [eom]);
}
if (!$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;
}
}
}
?>
效果图：