PHP使用SMTP邮件服务器发送邮件示例

php  /  管理员 发布于 7年前   166

本文实例讲述了PHP使用SMTP邮件服务器发送邮件。分享给大家供大家参考，具体如下：

用之前记得先去163注册一个邮箱，然后打开SMTP服务，当然也可以使用QQ邮箱等，但配置信息得改。

如图所示，开启QQ邮箱SMTP服务：

话不多说，直接上代码

email.class.php  定义发送邮件的库

debug   = FALSE;    $this->smtp_port = $smtp_port;    $this->relay_host = $relay_host;    $this->time_out  = 30; //is used in fsockopen()    #    $this->auth    = $auth; //auth    $this->user    = $user;    $this->pass    = $pass;    #    $this->host_name = "localhost"; //is used in HELO command    // $this->host_name = "smtp.163.com"; //is used in HELO command    $this->log_file  = "";    $this->sock = FALSE;  }  /* Main Function */  function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = "")  {    $header  = "";    $mail_from = $this->get_address($this->strip_comment($from));    $body   = mb_ereg_replace("(^|(\r\n))(\\.)", "\\1.\\3", $body);    $header .= "MIME-Version:1.0\r\n";    if ($mailtype == "HTML") { //邮件发送类型      //$header .= "Content-Type:text/html\r\n";      $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 .= "From: $from<".$from.">\r\n";  //这里只显示邮箱地址，不够人性化    $header .= "Subject: " . $subject . "\r\n";    $header .= $additional_headers;    $header .= "Date: " . date("r") . "\r\n";    $header .= "X-Mailer:By (PHP/" . phpversion() . ")\r\n";    list($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))); //合并一个或多个数组    }    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");    }    echo "
";    //echo $header;    return $sent;  }  /* Private Functions */  function smtp_send($helo, $from, $to, $header, $body = "")  {    if (!$this->smtp_putcmd("HELO", $helo)) {      return $this->smtp_error("sending HELO command");    }    #auth    if ($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 $this->smtp_error("sending . [EOM]");    }    if (!$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 (!mb_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)  {    $comment = "\\([^()]*\\)";    while (mb_ereg($comment, $address)) {      $address = mb_ereg_replace($comment, "", $address);    }    return $address;  }  function get_address($address)  {    $address = mb_ereg_replace("([ \t\r\n])+", "", $address);    $address = mb_ereg_replace("^.*<(.+)>.*$", "\\1", $address);    return $address;  }  function smtp_debug($message)  {    if ($this->debug) {      echo $message . "
";    }  }  function get_attach_type($image_tag) //  {    $filedata = array();    $img_file_con = fopen($image_tag, "r");    unset($image_data);    while ($tem_buffer = AddSlashes(fread($img_file_con, filesize($image_tag))))      $image_data .= $tem_buffer;    fclose($img_file_con);    $filedata['context'] = $image_data;    $filedata['filename'] = basename($image_tag);    $extension      = substr($image_tag, strrpos($image_tag, "."), strlen($image_tag) - strrpos($image_tag, "."));    switch ($extension) {      case ".gif":        $filedata['type'] = "image/gif";        break;      case ".gz":        $filedata['type'] = "application/x-gzip";        break;      case ".htm":        $filedata['type'] = "text/html";        break;      case ".html":        $filedata['type'] = "text/html";        break;      case ".jpg":        $filedata['type'] = "image/jpeg";        break;      case ".tar":        $filedata['type'] = "application/x-tar";        break;      case ".txt":        $filedata['type'] = "text/plain";        break;      case ".zip":        $filedata['type'] = "application/zip";        break;      default:        $filedata['type'] = "application/octet-stream";        break;    }    return $filedata;  }}?>

index.php 发送邮件的具体实现

debug  = TRUE; //是否显示发送的调试信息  $smtp->sendmail($smtpemailto, $smtpusermail, $mailsubject, $mailbody, $mailtype);}?>

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