functions/smtp.php

   1 <?
   2    /** smtp.php
   3     **
   4     ** This contains all the functions needed to send messages through
   5     ** an smtp server.
   6     **/
   7
   8    function smtpReadData($smtpConnection) {
   9       $read = fgets($smtpConnection, 1024);
  10       $counter = 0;
  11       while ($read) {
  12          echo $read . "<BR>";
  13          $data[$counter] = $read;
  14          $read = fgets($smtpConnection, 1024);
  15          $counter++;
  16       }
  17    }
  18
  19    function sendMessage($smtpServerAddress, $smtpPort, $username, $domain, $t, $c, $b, $subject, $body, $version) {
  20       include("../config/config.php");
  21
  22       $to = parseAddrs($t);
  23       $cc = parseAddrs($c);
  24       $bcc = parseAddrs($b);
  25       $body = stripslashes($body);
  26       $from_addr = "$username@$domain";
  27       $reply_to = getPref($data_dir, $username, "reply_to");
  28       $from = getPref($data_dir, $username, "full_name");
  29
  30       if ($from == "")
  31          $from = "<$from_addr>";
  32       else
  33          $from = $from . " <$from_addr>";
  34
  35       $smtpConnection = fsockopen($smtpServerAddress, $smtpPort, $errorNumber, $errorString);
  36       if (!$smtpConnection) {
  37          echo "Error connecting to SMTP Server.<br>";
  38          echo "$errorNumber : $errorString<br>";
  39          exit;
  40       }
  41       $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  42       errorCheck($tmp);
  43
  44       $to_list = getLineOfAddrs($to);
  45       $cc_list = getLineOfAddrs($cc);
  46
  47       /** Lets introduce ourselves */
  48       fputs($smtpConnection, "HELO $domain\n");
  49       $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  50       errorCheck($tmp);
  51
  52       /** Ok, who is sending the message? */
  53       fputs($smtpConnection, "MAIL FROM:<$from_addr>\n");
  54       $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  55       errorCheck($tmp);
  56
  57       /** send who the recipients are */
  58       for ($i = 0; $i < count($to); $i++) {
  59          fputs($smtpConnection, "RCPT TO:<$to[$i]>\n");
  60          $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  61          errorCheck($tmp);
  62       }
  63       for ($i = 0; $i < count($cc); $i++) {
  64          fputs($smtpConnection, "RCPT TO:<$cc[$i]>\n");
  65          $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  66          errorCheck($tmp);
  67       }
  68       for ($i = 0; $i < count($bcc); $i++) {
  69          fputs($smtpConnection, "RCPT TO:<$bcc[$i]>\n");
  70          $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  71          errorCheck($tmp);
  72       }
  73
  74       /** Lets start sending the actual message */
  75       fputs($smtpConnection, "DATA\n");
  76       $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  77       errorCheck($tmp);
  78
  79       fputs($smtpConnection, "Subject: $subject\n"); // Subject
  80       fputs($smtpConnection, "From: $from\n"); // Subject
  81       fputs($smtpConnection, "To: <$to_list>\n");    // Who it's TO
  82
  83       if ($cc_list) {
  84          fputs($smtpConnection, "Cc: <$cc_list>\n"); // Who the CCs are
  85       }
  86       fputs($smtpConnection, "X-Mailer: SquirrelMail (version $version)\n"); // Identify SquirrelMail
  87       fputs($smtpConnection, "MIME-Version: 1.0\n");
  88       fputs($smtpConnection, "Content-Type: text/plain\n");
  89       if ($reply_to != "")
  90          fputs($smtpConnection, "Reply-To: $reply_to\n");
  91
  92       fputs($smtpConnection, "$body\n"); // send the body of the message
  93
  94       fputs($smtpConnection, ".\n"); // end the DATA part
  95       $tmp = nl2br(htmlspecialchars(fgets($smtpConnection, 1024)));
  96       $num = errorCheck($tmp);
  97       if ($num != 250) {
  98          echo "<HTML><BODY BGCOLOR=FFFFFF>ERROR<BR>Message not sent!<BR>Reason given: $tmp<BR></BODY></HTML>";
  99       }
 100
 101       fputs($smtpConnection, "QUIT\n"); // log off
 102
 103       fclose($smtpConnection);
 104    }
 105
 106
 107    function errorCheck($line) {
 108       // Status:  0 = fatal
 109       //          5 = ok
 110
 111       $err_num = substr($line, 0, strpos($line, " "));
 112       switch ($err_num) {
 113          case 500:   $message = "Syntax error; command not recognized";
 114                      $status = 0;
 115                      break;
 116          case 501:   $message = "Syntax error in parameters or arguments";
 117                      $status = 0;
 118                      break;
 119          case 502:   $message = "Command not implemented";
 120                      $status = 0;
 121                      break;
 122          case 503:   $message = "Bad sequence of commands";
 123                      $status = 0;
 124                      break;
 125          case 504:   $message = "Command parameter not implemented";
 126                      $status = 0;
 127                      break;
 128
 129
 130          case 211:   $message = "System status, or system help reply";
 131                      $status = 5;
 132                      break;
 133          case 214:   $message = "Help message";
 134                      $status = 5;
 135                      break;
 136
 137
 138          case 220:   $message = "Service ready";
 139                      $status = 5;
 140                      break;
 141          case 221:   $message = "Service closing transmission channel";
 142                      $status = 5;
 143                      break;
 144          case 421:   $message = "Service not available, closing chanel";
 145                      $status = 0;
 146                      break;
 147
 148
 149          case 250:   $message = "Requested mail action okay, completed";
 150                      $status = 5;
 151                      break;
 152          case 251:   $message = "User not local; will forward";
 153                      $status = 5;
 154                      break;
 155          case 450:   $message = "Requested mail action not taken:  mailbox unavailable";
 156                      $status = 0;
 157                      break;
 158          case 550:   $message = "Requested action not taken:  mailbox unavailable";
 159                      $status = 0;
 160                      break;
 161          case 451:   $message = "Requested action aborted:  error in processing";
 162                      $status = 0;
 163                      break;
 164          case 551:   $message = "User not local; please try forwarding";
 165                      $status = 0;
 166                      break;
 167          case 452:   $message = "Requested action not taken:  insufficient system storage";
 168                      $status = 0;
 169                      break;
 170          case 552:   $message = "Requested mail action aborted:  exceeding storage allocation";
 171                      $status = 0;
 172                      break;
 173          case 553:   $message = "Requested action not taken: mailbox name not allowed";
 174                      $status = 0;
 175                      break;
 176          case 354:   $message = "Start mail input; end with .";
 177                      $status = 5;
 178                      break;
 179          case 554:   $message = "Transaction failed";
 180                      $status = 0;
 181                      break;
 182          default:    $message = "Unknown response: $line";
 183                      $status = 0;
 184                      $error_num = "001";
 185                      break;
 186       }
 187
 188       if ($status == 0) {
 189          echo "<HTML><BODY BGCOLOR=FFFFFF>";
 190          echo "<TT>";
 191          echo "<BR><B>ERROR</B><BR><BR>";
 192          echo "&nbsp;&nbsp;&nbsp;<B>Error Number: </B>$err_num<BR>";
 193          echo "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Reason: </B>$message<BR>";
 194          echo "<B>Server Response: </B>$line<BR>";
 195          echo "<BR>MAIL NOT SENT";
 196          echo "</TT></BODY></HTML>";
 197          exit;
 198       }
 199       return $err_num;
 200    }
 201 ?>