Central: Organized files

Refs #25

1 files changed, 1113 insertions, 0 deletions

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+<?php
+/*~ class.smtp.php
+.---------------------------------------------------------------------------.
+|  Software: PHPMailer - PHP email class                                    |
+|   Version: 2.2.1                                                          |
+|   Contact: via sourceforge.net support pages (also www.codeworxtech.com)  |
+|      Info: http://phpmailer.sourceforge.net                               |
+|   Support: http://sourceforge.net/projects/phpmailer/                     |
+| ------------------------------------------------------------------------- |
+|    Author: Andy Prevost (project admininistrator)                         |
+|    Author: Brent R. Matzelle (original founder)                           |
+| Copyright (c) 2004-2007, Andy Prevost. All Rights Reserved.               |
+| Copyright (c) 2001-2003, Brent R. Matzelle                                |
+| ------------------------------------------------------------------------- |
+|   License: Distributed under the Lesser General Public License (LGPL)     |
+|            http://www.gnu.org/copyleft/lesser.html                        |
+| This program is distributed in the hope that it will be useful - WITHOUT  |
+| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     |
+| FITNESS FOR A PARTICULAR PURPOSE.                                         |
+| ------------------------------------------------------------------------- |
+| We offer a number of paid services (www.codeworxtech.com):                |
+| - Web Hosting on highly optimized fast and secure servers                 |
+| - Technology Consulting                                                   |
+| - Oursourcing (highly qualified programmers and graphic designers)        |
+'---------------------------------------------------------------------------'
+
+/**
+ * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP
+ * commands except TURN which will always return a not implemented
+ * error. SMTP also provides some utility methods for sending mail
+ * to an SMTP server.
+ * @package PHPMailer
+ * @author Chris Ryan
+ */
+
+class SMTP {
+  /**
+   *  SMTP server port
+   *  @var int
+   */
+  public $SMTP_PORT = 25;
+
+  /**
+   *  SMTP reply line ending
+   *  @var string
+   */
+  public $CRLF = "\r\n";
+
+  /**
+   *  Sets whether debugging is turned on
+   *  @var bool
+   */
+  public $do_debug;       // the level of debug to perform
+
+  /**
+   *  Sets VERP use on/off (default is off)
+   *  @var bool
+   */
+  public $do_verp = false;
+
+  /**#@+
+   * @access private
+   */
+  private $smtp_conn;      // the socket to the server
+  private $error;          // error if any on the last call
+  private $helo_rply;      // the reply the server sent to us for HELO
+  /**#@-*/
+
+  /**
+   * Initialize the class so that the data is in a known state.
+   * @access public
+   * @return void
+   */
+  public function __construct() {
+    $this->smtp_conn = 0;
+    $this->error = null;
+    $this->helo_rply = null;
+
+    $this->do_debug = 0;
+  }
+
+  /*************************************************************
+   *                    CONNECTION FUNCTIONS                  *
+   ***********************************************************/
+
+  /**
+   * Connect to the server specified on the port specified.
+   * If the port is not specified use the default SMTP_PORT.
+   * If tval is specified then a connection will try and be
+   * established with the server for that number of seconds.
+   * If tval is not specified the default is 30 seconds to
+   * try on the connection.
+   *
+   * SMTP CODE SUCCESS: 220
+   * SMTP CODE FAILURE: 421
+   * @access public
+   * @return bool
+   */
+  public function Connect($host,$port=0,$tval=30) {
+    /* set the error val to null so there is no confusion */
+    $this->error = null;
+
+    /* make sure we are __not__ connected */
+    if($this->connected()) {
+      /* ok we are connected! what should we do?
+       * for now we will just give an error saying we
+       * are already connected
+       */
+      $this->error = array("error" => "Already connected to a server");
+      return false;
+    }
+
+    if(empty($port)) {
+      $port = $this->SMTP_PORT;
+    }
+
+    /* connect to the smtp server */
+    $this->smtp_conn = fsockopen($host,    // the host of the server
+                                 $port,    // the port to use
+                                 $errno,   // error number if any
+                                 $errstr,  // error message if any
+                                 $tval);   // give up after ? secs
+    /* verify we connected properly */
+    if(empty($this->smtp_conn)) {
+      $this->error = array("error" => "Failed to connect to server",
+                           "errno" => $errno,
+                           "errstr" => $errstr);
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": $errstr ($errno)" . $this->CRLF;
+      }
+      return false;
+    }
+
+    /* sometimes the SMTP server takes a little longer to respond
+     * so we will give it a longer timeout for the first read
+     * - Windows still does not have support for this timeout function
+     */
+    if(substr(PHP_OS, 0, 3) != "WIN")
+     socket_set_timeout($this->smtp_conn, $tval, 0);
+
+    /* get any announcement stuff */
+    $announce = $this->get_lines();
+
+    /* set the timeout  of any socket functions at 1/10 of a second */
+    //if(function_exists("socket_set_timeout"))
+    //   socket_set_timeout($this->smtp_conn, 0, 100000);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce;
+    }
+
+    return true;
+  }
+
+  /**
+   * Initiate a TSL communication with the server.
+   *
+   * SMTP CODE 220 Ready to start TLS
+   * SMTP CODE 501 Syntax error (no parameters allowed)
+   * SMTP CODE 454 TLS not available due to temporary reason
+   * @access public
+   * @return bool success
+   */
+  public function StartTLS() {
+    $this->error = null; # to avoid confusion
+
+    if(!$this->connected()) {
+      $this->error = array("error" => "Called StartTLS() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"STARTTLS" . $extra . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 220) {
+      $this->error =
+         array("error"     => "STARTTLS not accepted from server",
+               "smtp_code" => $code,
+               "smtp_msg"  => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    //Begin encrypted connection
+    if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) {
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Performs SMTP authentication.  Must be run after running the
+   * Hello() method.  Returns true if successfully authenticated.
+   * @access public
+   * @return bool
+   */
+  public function Authenticate($username, $password) {
+    // Start authentication
+    fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($code != 334) {
+      $this->error =
+        array("error" => "AUTH not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    // Send encoded username
+    fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($code != 334) {
+      $this->error =
+        array("error" => "Username not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    // Send encoded password
+    fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($code != 235) {
+      $this->error =
+        array("error" => "Password not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Returns true if connected to a server otherwise false
+   * @access public
+   * @return bool
+   */
+  public function Connected() {
+    if(!empty($this->smtp_conn)) {
+      $sock_status = socket_get_status($this->smtp_conn);
+      if($sock_status["eof"]) {
+        // hmm this is an odd situation... the socket is
+        // valid but we are not connected anymore
+        if($this->do_debug >= 1) {
+            echo "SMTP -> NOTICE:" . $this->CRLF .
+                 "EOF caught while checking if connected";
+        }
+        $this->Close();
+        return false;
+      }
+      return true; // everything looks good
+    }
+    return false;
+  }
+
+  /**
+   * Closes the socket and cleans up the state of the class.
+   * It is not considered good to use this function without
+   * first trying to use QUIT.
+   * @access public
+   * @return void
+   */
+  public function Close() {
+    $this->error = null; // so there is no confusion
+    $this->helo_rply = null;
+    if(!empty($this->smtp_conn)) {
+      // close the connection and cleanup
+      fclose($this->smtp_conn);
+      $this->smtp_conn = 0;
+    }
+  }
+
+  /***************************************************************
+   *                        SMTP COMMANDS                       *
+   *************************************************************/
+
+  /**
+   * Issues a data command and sends the msg_data to the server
+   * finializing the mail transaction. $msg_data is the message
+   * that is to be send with the headers. Each header needs to be
+   * on a single line followed by a <CRLF> with the message headers
+   * and the message body being seperated by and additional <CRLF>.
+   *
+   * Implements rfc 821: DATA <CRLF>
+   *
+   * SMTP CODE INTERMEDIATE: 354
+   *     [data]
+   *     <CRLF>.<CRLF>
+   *     SMTP CODE SUCCESS: 250
+   *     SMTP CODE FAILURE: 552,554,451,452
+   * SMTP CODE FAILURE: 451,554
+   * SMTP CODE ERROR  : 500,501,503,421
+   * @access public
+   * @return bool
+   */
+  public function Data($msg_data) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Data() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"DATA" . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 354) {
+      $this->error =
+        array("error" => "DATA command not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    /* the server is ready to accept data!
+     * according to rfc 821 we should not send more than 1000
+     * including the CRLF
+     * characters on a single line so we will break the data up
+     * into lines by \r and/or \n then if needed we will break
+     * each of those into smaller lines to fit within the limit.
+     * in addition we will be looking for lines that start with
+     * a period '.' and append and additional period '.' to that
+     * line. NOTE: this does not count towards are limit.
+     */
+
+    // normalize the line breaks so we know the explode works
+    $msg_data = str_replace("\r\n","\n",$msg_data);
+    $msg_data = str_replace("\r","\n",$msg_data);
+    $lines = explode("\n",$msg_data);
+
+    /* we need to find a good way to determine is headers are
+     * in the msg_data or if it is a straight msg body
+     * currently I am assuming rfc 822 definitions of msg headers
+     * and if the first field of the first line (':' sperated)
+     * does not contain a space then it _should_ be a header
+     * and we can process all lines before a blank "" line as
+     * headers.
+     */
+    $field = substr($lines[0],0,strpos($lines[0],":"));
+    $in_headers = false;
+    if(!empty($field) && !strstr($field," ")) {
+      $in_headers = true;
+    }
+
+    $max_line_length = 998; // used below; set here for ease in change
+
+    while(list(,$line) = @each($lines)) {
+      $lines_out = null;
+      if($line == "" && $in_headers) {
+        $in_headers = false;
+      }
+      // ok we need to break this line up into several smaller lines
+      while(strlen($line) > $max_line_length) {
+        $pos = strrpos(substr($line,0,$max_line_length)," ");
+
+        // Patch to fix DOS attack
+        if(!$pos) {
+          $pos = $max_line_length - 1;
+          $lines_out[] = substr($line,0,$pos);
+          $line = substr($line,$pos);
+        } else {
+          $lines_out[] = substr($line,0,$pos);
+          $line = substr($line,$pos + 1);
+        }
+
+        /* if we are processing headers we need to
+         * add a LWSP-char to the front of the new line
+         * rfc 822 on long msg headers
+         */
+        if($in_headers) {
+          $line = "\t" . $line;
+        }
+      }
+      $lines_out[] = $line;
+
+      // now send the lines to the server
+      while(list(,$line_out) = @each($lines_out)) {
+        if(strlen($line_out) > 0)
+        {
+          if(substr($line_out, 0, 1) == ".") {
+            $line_out = "." . $line_out;
+          }
+        }
+        fputs($this->smtp_conn,$line_out . $this->CRLF);
+      }
+    }
+
+    // ok all the message data has been sent so lets get this
+    // over with aleady
+    fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "DATA not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Expand takes the name and asks the server to list all the
+   * people who are members of the _list_. Expand will return
+   * back and array of the result or false if an error occurs.
+   * Each value in the array returned has the format of:
+   *     [ <full-name> <sp> ] <path>
+   * The definition of <path> is defined in rfc 821
+   *
+   * Implements rfc 821: EXPN <SP> <string> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE FAILURE: 550
+   * SMTP CODE ERROR  : 500,501,502,504,421
+   * @access public
+   * @return string array
+   */
+  public function Expand($name) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+            "error" => "Called Expand() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "EXPN not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    // parse the reply and place in our array to return to user
+    $entries = explode($this->CRLF,$rply);
+    while(list(,$l) = @each($entries)) {
+      $list[] = substr($l,4);
+    }
+
+    return $list;
+  }
+
+  /**
+   * Sends the HELO command to the smtp server.
+   * This makes sure that we and the server are in
+   * the same known state.
+   *
+   * Implements from rfc 821: HELO <SP> <domain> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE ERROR  : 500, 501, 504, 421
+   * @access public
+   * @return bool
+   */
+  public function Hello($host="") {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+            "error" => "Called Hello() without being connected");
+      return false;
+    }
+
+    // if a hostname for the HELO was not specified determine
+    //a suitable one to send
+    if(empty($host)) {
+      // we need to determine some sort of appopiate default
+      // to send to the server
+      $host = "localhost";
+    }
+
+    // Send extended hello first (RFC 2821)
+    if(!$this->SendHello("EHLO", $host))
+    {
+      if(!$this->SendHello("HELO", $host))
+          return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Sends a HELO/EHLO command.
+   * @access private
+   * @return bool
+   */
+  private function SendHello($hello, $host) {
+    fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => $hello . " not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    $this->helo_rply = $rply;
+
+    return true;
+  }
+
+  /**
+   * Gets help information on the keyword specified. If the keyword
+   * is not specified then returns generic help, ussually contianing
+   * A list of keywords that help is available on. This function
+   * returns the results back to the user. It is up to the user to
+   * handle the returned data. If an error occurs then false is
+   * returned with $this->error set appropiately.
+   *
+   * Implements rfc 821: HELP [ <SP> <string> ] <CRLF>
+   *
+   * SMTP CODE SUCCESS: 211,214
+   * SMTP CODE ERROR  : 500,501,502,504,421
+   * @access public
+   * @return string
+   */
+  public function Help($keyword="") {
+    $this->error = null; // to avoid confusion
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Help() without being connected");
+      return false;
+    }
+
+    $extra = "";
+    if(!empty($keyword)) {
+      $extra = " " . $keyword;
+    }
+
+    fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 211 && $code != 214) {
+      $this->error =
+        array("error" => "HELP not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    return $rply;
+  }
+
+  /**
+   * Starts a mail transaction from the email address specified in
+   * $from. Returns true if successful or false otherwise. If True
+   * the mail transaction is started and then one or more Recipient
+   * commands may be called followed by a Data command.
+   *
+   * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE SUCCESS: 552,451,452
+   * SMTP CODE SUCCESS: 500,501,421
+   * @access public
+   * @return bool
+   */
+  public function Mail($from) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Mail() without being connected");
+      return false;
+    }
+
+    $useVerp = ($this->do_verp ? "XVERP" : "");
+    fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "MAIL not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Sends the command NOOP to the SMTP server.
+   *
+   * Implements from rfc 821: NOOP <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE ERROR  : 500, 421
+   * @access public
+   * @return bool
+   */
+  public function Noop() {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Noop() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"NOOP" . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "NOOP not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Sends the quit command to the server and then closes the socket
+   * if there is no error or the $close_on_error argument is true.
+   *
+   * Implements from rfc 821: QUIT <CRLF>
+   *
+   * SMTP CODE SUCCESS: 221
+   * SMTP CODE ERROR  : 500
+   * @access public
+   * @return bool
+   */
+  public function Quit($close_on_error=true) {
+    $this->error = null; // so there is no confusion
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Quit() without being connected");
+      return false;
+    }
+
+    // send the quit command to the server
+    fputs($this->smtp_conn,"quit" . $this->CRLF);
+
+    // get any good-bye messages
+    $byemsg = $this->get_lines();
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg;
+    }
+
+    $rval = true;
+    $e = null;
+
+    $code = substr($byemsg,0,3);
+    if($code != 221) {
+      // use e as a tmp var cause Close will overwrite $this->error
+      $e = array("error" => "SMTP server rejected quit command",
+                 "smtp_code" => $code,
+                 "smtp_rply" => substr($byemsg,4));
+      $rval = false;
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $e["error"] . ": " .
+                 $byemsg . $this->CRLF;
+      }
+    }
+
+    if(empty($e) || $close_on_error) {
+      $this->Close();
+    }
+
+    return $rval;
+  }
+
+  /**
+   * Sends the command RCPT to the SMTP server with the TO: argument of $to.
+   * Returns true if the recipient was accepted false if it was rejected.
+   *
+   * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250,251
+   * SMTP CODE FAILURE: 550,551,552,553,450,451,452
+   * SMTP CODE ERROR  : 500,501,503,421
+   * @access public
+   * @return bool
+   */
+  public function Recipient($to) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Recipient() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250 && $code != 251) {
+      $this->error =
+        array("error" => "RCPT not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Sends the RSET command to abort and transaction that is
+   * currently in progress. Returns true if successful false
+   * otherwise.
+   *
+   * Implements rfc 821: RSET <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE ERROR  : 500,501,504,421
+   * @access public
+   * @return bool
+   */
+  public function Reset() {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Reset() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"RSET" . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "RSET failed",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Starts a mail transaction from the email address specified in
+   * $from. Returns true if successful or false otherwise. If True
+   * the mail transaction is started and then one or more Recipient
+   * commands may be called followed by a Data command. This command
+   * will send the message to the users terminal if they are logged
+   * in.
+   *
+   * Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE SUCCESS: 552,451,452
+   * SMTP CODE SUCCESS: 500,501,502,421
+   * @access public
+   * @return bool
+   */
+  public function Send($from) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Send() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "SEND not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Starts a mail transaction from the email address specified in
+   * $from. Returns true if successful or false otherwise. If True
+   * the mail transaction is started and then one or more Recipient
+   * commands may be called followed by a Data command. This command
+   * will send the message to the users terminal if they are logged
+   * in and send them an email.
+   *
+   * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE SUCCESS: 552,451,452
+   * SMTP CODE SUCCESS: 500,501,502,421
+   * @access public
+   * @return bool
+   */
+  public function SendAndMail($from) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+          "error" => "Called SendAndMail() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "SAML not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Starts a mail transaction from the email address specified in
+   * $from. Returns true if successful or false otherwise. If True
+   * the mail transaction is started and then one or more Recipient
+   * commands may be called followed by a Data command. This command
+   * will send the message to the users terminal if they are logged
+   * in or mail it to them if they are not.
+   *
+   * Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE SUCCESS: 552,451,452
+   * SMTP CODE SUCCESS: 500,501,502,421
+   * @access public
+   * @return bool
+   */
+  public function SendOrMail($from) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+          "error" => "Called SendOrMail() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250) {
+      $this->error =
+        array("error" => "SOML not accepted from server",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * This is an optional command for SMTP that this class does not
+   * support. This method is here to make the RFC821 Definition
+   * complete for this class and __may__ be implimented in the future
+   *
+   * Implements from rfc 821: TURN <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250
+   * SMTP CODE FAILURE: 502
+   * SMTP CODE ERROR  : 500, 503
+   * @access public
+   * @return bool
+   */
+  public function Turn() {
+    $this->error = array("error" => "This method, TURN, of the SMTP ".
+                                    "is not implemented");
+    if($this->do_debug >= 1) {
+      echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF;
+    }
+    return false;
+  }
+
+  /**
+   * Verifies that the name is recognized by the server.
+   * Returns false if the name could not be verified otherwise
+   * the response from the server is returned.
+   *
+   * Implements rfc 821: VRFY <SP> <string> <CRLF>
+   *
+   * SMTP CODE SUCCESS: 250,251
+   * SMTP CODE FAILURE: 550,551,553
+   * SMTP CODE ERROR  : 500,501,502,421
+   * @access public
+   * @return int
+   */
+  public function Verify($name) {
+    $this->error = null; // so no confusion is caused
+
+    if(!$this->connected()) {
+      $this->error = array(
+              "error" => "Called Verify() without being connected");
+      return false;
+    }
+
+    fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF);
+
+    $rply = $this->get_lines();
+    $code = substr($rply,0,3);
+
+    if($this->do_debug >= 2) {
+      echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply;
+    }
+
+    if($code != 250 && $code != 251) {
+      $this->error =
+        array("error" => "VRFY failed on name '$name'",
+              "smtp_code" => $code,
+              "smtp_msg" => substr($rply,4));
+      if($this->do_debug >= 1) {
+        echo "SMTP -> ERROR: " . $this->error["error"] .
+                 ": " . $rply . $this->CRLF;
+      }
+      return false;
+    }
+    return $rply;
+  }
+
+  /*******************************************************************
+   *                       INTERNAL FUNCTIONS                       *
+   ******************************************************************/
+
+  /**
+   * Read in as many lines as possible
+   * either before eof or socket timeout occurs on the operation.
+   * With SMTP we can tell if we have more lines to read if the
+   * 4th character is '-' symbol. If it is a space then we don't
+   * need to read anything else.
+   * @access private
+   * @return string
+   */
+  private function get_lines() {
+    $data = "";
+    while($str = @fgets($this->smtp_conn,515)) {
+      if($this->do_debug >= 4) {
+        echo "SMTP -> get_lines(): \$data was \"$data\"" .
+                 $this->CRLF;
+        echo "SMTP -> get_lines(): \$str is \"$str\"" .
+                 $this->CRLF;
+      }
+      $data .= $str;
+      if($this->do_debug >= 4) {
+        echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF;
+      }
+      // if the 4th character is a space then we are done reading
+      // so just break the loop
+      if(substr($str,3,1) == " ") { break; }
+    }
+    return $data;
+  }
+
+}
+
+
+ ?>