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1 <?php 2 // Last sync [WP19849] 3 4 /*~ class.smtp.php 5 .---------------------------------------------------------------------------. 6 | Software: PHPMailer - PHP email class | 7 | Version: 5.2.1 | 8 | Site: https://code.google.com/a/apache-extras.org/p/phpmailer/ | 9 | ------------------------------------------------------------------------- | 10 | Admin: Jim Jagielski (project admininistrator) | 11 | Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net | 12 | : Marcus Bointon (coolbru) coolbru@users.sourceforge.net | 13 | : Jim Jagielski (jimjag) jimjag@gmail.com | 14 | Founder: Brent R. Matzelle (original founder) | 15 | Copyright (c) 2010-2012, Jim Jagielski. All Rights Reserved. | 16 | Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved. | 17 | Copyright (c) 2001-2003, Brent R. Matzelle | 18 | ------------------------------------------------------------------------- | 19 | License: Distributed under the Lesser General Public License (LGPL) | 20 | http://www.gnu.org/copyleft/lesser.html | 21 | This program is distributed in the hope that it will be useful - WITHOUT | 22 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | 23 | FITNESS FOR A PARTICULAR PURPOSE. | 24 '---------------------------------------------------------------------------' 25 */ 26 27 /** 28 * PHPMailer - PHP SMTP email transport class 29 * NOTE: Designed for use with PHP version 5 and up 30 * @package PHPMailer 31 * @author Andy Prevost 32 * @author Marcus Bointon 33 * @copyright 2004 - 2008 Andy Prevost 34 * @author Jim Jagielski 35 * @copyright 2010 - 2012 Jim Jagielski 36 * @license http://www.gnu.org/copyleft/lesser.html Distributed under the Lesser General Public License (LGPL) 37 * @version $Id: class.smtp.php 450 2010-06-23 16:46:33Z coolbru $ 38 */ 39 40 /** 41 * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP 42 * commands except TURN which will always return a not implemented 43 * error. SMTP also provides some utility methods for sending mail 44 * to an SMTP server. 45 * original author: Chris Ryan 46 */ 47 48 class SMTP { 49 /** 50 * SMTP server port 51 * @var int 52 */ 53 public $SMTP_PORT = 25; 54 55 /** 56 * SMTP reply line ending 57 * @var string 58 */ 59 public $CRLF = "\r\n"; 60 61 /** 62 * Sets whether debugging is turned on 63 * @var bool 64 */ 65 public $do_debug; // the level of debug to perform 66 67 /** 68 * Sets VERP use on/off (default is off) 69 * @var bool 70 */ 71 public $do_verp = false; 72 73 /** 74 * Sets the SMTP PHPMailer Version number 75 * @var string 76 */ 77 public $Version = '5.2.1'; 78 79 ///////////////////////////////////////////////// 80 // PROPERTIES, PRIVATE AND PROTECTED 81 ///////////////////////////////////////////////// 82 83 private $smtp_conn; // the socket to the server 84 private $error; // error if any on the last call 85 private $helo_rply; // the reply the server sent to us for HELO 86 87 /** 88 * Initialize the class so that the data is in a known state. 89 * @access public 90 * @return void 91 */ 92 public function __construct() { 93 $this->smtp_conn = 0; 94 $this->error = null; 95 $this->helo_rply = null; 96 97 $this->do_debug = 0; 98 } 99 100 ///////////////////////////////////////////////// 101 // CONNECTION FUNCTIONS 102 ///////////////////////////////////////////////// 103 104 /** 105 * Connect to the server specified on the port specified. 106 * If the port is not specified use the default SMTP_PORT. 107 * If tval is specified then a connection will try and be 108 * established with the server for that number of seconds. 109 * If tval is not specified the default is 30 seconds to 110 * try on the connection. 111 * 112 * SMTP CODE SUCCESS: 220 113 * SMTP CODE FAILURE: 421 114 * @access public 115 * @return bool 116 */ 117 public function Connect($host, $port = 0, $tval = 30) { 118 // set the error val to null so there is no confusion 119 $this->error = null; 120 121 // make sure we are __not__ connected 122 if($this->connected()) { 123 // already connected, generate error 124 $this->error = array("error" => "Already connected to a server"); 125 return false; 126 } 127 128 if(empty($port)) { 129 $port = $this->SMTP_PORT; 130 } 131 132 // connect to the smtp server 133 $this->smtp_conn = @fsockopen($host, // the host of the server 134 $port, // the port to use 135 $errno, // error number if any 136 $errstr, // error message if any 137 $tval); // give up after ? secs 138 // verify we connected properly 139 if(empty($this->smtp_conn)) { 140 $this->error = array("error" => "Failed to connect to server", 141 "errno" => $errno, 142 "errstr" => $errstr); 143 if($this->do_debug >= 1) { 144 echo "SMTP -> ERROR: " . $this->error["error"] . ": $errstr ($errno)" . $this->CRLF . '<br />'; 145 } 146 return false; 147 } 148 149 // SMTP server can take longer to respond, give longer timeout for first read 150 // Windows does not have support for this timeout function 151 if(substr(PHP_OS, 0, 3) != "WIN") 152 socket_set_timeout($this->smtp_conn, $tval, 0); 153 154 // get any announcement 155 $announce = $this->get_lines(); 156 157 if($this->do_debug >= 2) { 158 echo "SMTP -> FROM SERVER:" . $announce . $this->CRLF . '<br />'; 159 } 160 161 return true; 162 } 163 164 /** 165 * Initiate a TLS communication with the server. 166 * 167 * SMTP CODE 220 Ready to start TLS 168 * SMTP CODE 501 Syntax error (no parameters allowed) 169 * SMTP CODE 454 TLS not available due to temporary reason 170 * @access public 171 * @return bool success 172 */ 173 public function StartTLS() { 174 $this->error = null; # to avoid confusion 175 176 if(!$this->connected()) { 177 $this->error = array("error" => "Called StartTLS() without being connected"); 178 return false; 179 } 180 181 fputs($this->smtp_conn,"STARTTLS" . $this->CRLF); 182 183 $rply = $this->get_lines(); 184 $code = substr($rply,0,3); 185 186 if($this->do_debug >= 2) { 187 echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; 188 } 189 190 if($code != 220) { 191 $this->error = 192 array("error" => "STARTTLS not accepted from server", 193 "smtp_code" => $code, 194 "smtp_msg" => substr($rply,4)); 195 if($this->do_debug >= 1) { 196 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 197 } 198 return false; 199 } 200 201 // Begin encrypted connection 202 if(!stream_socket_enable_crypto($this->smtp_conn, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { 203 return false; 204 } 205 206 return true; 207 } 208 209 /** 210 * Performs SMTP authentication. Must be run after running the 211 * Hello() method. Returns true if successfully authenticated. 212 * @access public 213 * @return bool 214 */ 215 public function Authenticate($username, $password) { 216 // Start authentication 217 fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF); 218 219 $rply = $this->get_lines(); 220 $code = substr($rply,0,3); 221 222 if($code != 334) { 223 $this->error = 224 array("error" => "AUTH not accepted from server", 225 "smtp_code" => $code, 226 "smtp_msg" => substr($rply,4)); 227 if($this->do_debug >= 1) { 228 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 229 } 230 return false; 231 } 232 233 // Send encoded username 234 fputs($this->smtp_conn, base64_encode($username) . $this->CRLF); 235 236 $rply = $this->get_lines(); 237 $code = substr($rply,0,3); 238 239 if($code != 334) { 240 $this->error = 241 array("error" => "Username not accepted from server", 242 "smtp_code" => $code, 243 "smtp_msg" => substr($rply,4)); 244 if($this->do_debug >= 1) { 245 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 246 } 247 return false; 248 } 249 250 // Send encoded password 251 fputs($this->smtp_conn, base64_encode($password) . $this->CRLF); 252 253 $rply = $this->get_lines(); 254 $code = substr($rply,0,3); 255 256 if($code != 235) { 257 $this->error = 258 array("error" => "Password not accepted from server", 259 "smtp_code" => $code, 260 "smtp_msg" => substr($rply,4)); 261 if($this->do_debug >= 1) { 262 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 263 } 264 return false; 265 } 266 267 return true; 268 } 269 270 /** 271 * Returns true if connected to a server otherwise false 272 * @access public 273 * @return bool 274 */ 275 public function Connected() { 276 if(!empty($this->smtp_conn)) { 277 $sock_status = socket_get_status($this->smtp_conn); 278 if($sock_status["eof"]) { 279 // the socket is valid but we are not connected 280 if($this->do_debug >= 1) { 281 echo "SMTP -> NOTICE:" . $this->CRLF . "EOF caught while checking if connected"; 282 } 283 $this->Close(); 284 return false; 285 } 286 return true; // everything looks good 287 } 288 return false; 289 } 290 291 /** 292 * Closes the socket and cleans up the state of the class. 293 * It is not considered good to use this function without 294 * first trying to use QUIT. 295 * @access public 296 * @return void 297 */ 298 public function Close() { 299 $this->error = null; // so there is no confusion 300 $this->helo_rply = null; 301 if(!empty($this->smtp_conn)) { 302 // close the connection and cleanup 303 fclose($this->smtp_conn); 304 $this->smtp_conn = 0; 305 } 306 } 307 308 ///////////////////////////////////////////////// 309 // SMTP COMMANDS 310 ///////////////////////////////////////////////// 311 312 /** 313 * Issues a data command and sends the msg_data to the server 314 * finializing the mail transaction. $msg_data is the message 315 * that is to be send with the headers. Each header needs to be 316 * on a single line followed by a <CRLF> with the message headers 317 * and the message body being seperated by and additional <CRLF>. 318 * 319 * Implements rfc 821: DATA <CRLF> 320 * 321 * SMTP CODE INTERMEDIATE: 354 322 * [data] 323 * <CRLF>.<CRLF> 324 * SMTP CODE SUCCESS: 250 325 * SMTP CODE FAILURE: 552,554,451,452 326 * SMTP CODE FAILURE: 451,554 327 * SMTP CODE ERROR : 500,501,503,421 328 * @access public 329 * @return bool 330 */ 331 public function Data($msg_data) { 332 $this->error = null; // so no confusion is caused 333 334 if(!$this->connected()) { 335 $this->error = array( 336 "error" => "Called Data() without being connected"); 337 return false; 338 } 339 340 fputs($this->smtp_conn,"DATA" . $this->CRLF); 341 342 $rply = $this->get_lines(); 343 $code = substr($rply,0,3); 344 345 if($this->do_debug >= 2) { 346 echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; 347 } 348 349 if($code != 354) { 350 $this->error = 351 array("error" => "DATA command not accepted from server", 352 "smtp_code" => $code, 353 "smtp_msg" => substr($rply,4)); 354 if($this->do_debug >= 1) { 355 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 356 } 357 return false; 358 } 359 360 /* the server is ready to accept data! 361 * according to rfc 821 we should not send more than 1000 362 * including the CRLF 363 * characters on a single line so we will break the data up 364 * into lines by \r and/or \n then if needed we will break 365 * each of those into smaller lines to fit within the limit. 366 * in addition we will be looking for lines that start with 367 * a period '.' and append and additional period '.' to that 368 * line. NOTE: this does not count towards limit. 369 */ 370 371 // normalize the line breaks so we know the explode works 372 $msg_data = str_replace("\r\n","\n",$msg_data); 373 $msg_data = str_replace("\r","\n",$msg_data); 374 $lines = explode("\n",$msg_data); 375 376 /* we need to find a good way to determine is headers are 377 * in the msg_data or if it is a straight msg body 378 * currently I am assuming rfc 822 definitions of msg headers 379 * and if the first field of the first line (':' sperated) 380 * does not contain a space then it _should_ be a header 381 * and we can process all lines before a blank "" line as 382 * headers. 383 */ 384 385 $field = substr($lines[0],0,strpos($lines[0],":")); 386 $in_headers = false; 387 if(!empty($field) && !strstr($field," ")) { 388 $in_headers = true; 389 } 390 391 $max_line_length = 998; // used below; set here for ease in change 392 393 foreach ( $lines as $line ) { 394 $lines_out = null; 395 if($line == "" && $in_headers) { 396 $in_headers = false; 397 } 398 // ok we need to break this line up into several smaller lines 399 while(strlen($line) > $max_line_length) { 400 $pos = strrpos(substr($line,0,$max_line_length)," "); 401 402 // Patch to fix DOS attack 403 if(!$pos) { 404 $pos = $max_line_length - 1; 405 $lines_out[] = substr($line,0,$pos); 406 $line = substr($line,$pos); 407 } else { 408 $lines_out[] = substr($line,0,$pos); 409 $line = substr($line,$pos + 1); 410 } 411 412 /* if processing headers add a LWSP-char to the front of new line 413 * rfc 822 on long msg headers 414 */ 415 if($in_headers) { 416 $line = "\t" . $line; 417 } 418 } 419 $lines_out[] = $line; 420 421 // send the lines to the server 422 foreach ( $lines_out as $line_out ) { 423 if(strlen($line_out) > 0) 424 { 425 if(substr($line_out, 0, 1) == ".") { 426 $line_out = "." . $line_out; 427 } 428 } 429 fputs($this->smtp_conn,$line_out . $this->CRLF); 430 } 431 } 432 433 // message data has been sent 434 fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF); 435 436 $rply = $this->get_lines(); 437 $code = substr($rply,0,3); 438 439 if($this->do_debug >= 2) { 440 echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; 441 } 442 443 if($code != 250) { 444 $this->error = 445 array("error" => "DATA not accepted from server", 446 "smtp_code" => $code, 447 "smtp_msg" => substr($rply,4)); 448 if($this->do_debug >= 1) { 449 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 450 } 451 return false; 452 } 453 return true; 454 } 455 456 /** 457 * Sends the HELO command to the smtp server. 458 * This makes sure that we and the server are in 459 * the same known state. 460 * 461 * Implements from rfc 821: HELO <SP> <domain> <CRLF> 462 * 463 * SMTP CODE SUCCESS: 250 464 * SMTP CODE ERROR : 500, 501, 504, 421 465 * @access public 466 * @return bool 467 */ 468 public function Hello($host = '') { 469 $this->error = null; // so no confusion is caused 470 471 if(!$this->connected()) { 472 $this->error = array( 473 "error" => "Called Hello() without being connected"); 474 return false; 475 } 476 477 // if hostname for HELO was not specified send default 478 if(empty($host)) { 479 // determine appropriate default to send to server 480 $host = "localhost"; 481 } 482 483 // Send extended hello first (RFC 2821) 484 if(!$this->SendHello("EHLO", $host)) { 485 if(!$this->SendHello("HELO", $host)) { 486 return false; 487 } 488 } 489 490 return true; 491 } 492 493 /** 494 * Sends a HELO/EHLO command. 495 * @access private 496 * @return bool 497 */ 498 private function SendHello($hello, $host) { 499 fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF); 500 501 $rply = $this->get_lines(); 502 $code = substr($rply,0,3); 503 504 if($this->do_debug >= 2) { 505 echo "SMTP -> FROM SERVER: " . $rply . $this->CRLF . '<br />'; 506 } 507 508 if($code != 250) { 509 $this->error = 510 array("error" => $hello . " not accepted from server", 511 "smtp_code" => $code, 512 "smtp_msg" => substr($rply,4)); 513 if($this->do_debug >= 1) { 514 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 515 } 516 return false; 517 } 518 519 $this->helo_rply = $rply; 520 521 return true; 522 } 523 524 /** 525 * Starts a mail transaction from the email address specified in 526 * $from. Returns true if successful or false otherwise. If True 527 * the mail transaction is started and then one or more Recipient 528 * commands may be called followed by a Data command. 529 * 530 * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF> 531 * 532 * SMTP CODE SUCCESS: 250 533 * SMTP CODE SUCCESS: 552,451,452 534 * SMTP CODE SUCCESS: 500,501,421 535 * @access public 536 * @return bool 537 */ 538 public function Mail($from) { 539 $this->error = null; // so no confusion is caused 540 541 if(!$this->connected()) { 542 $this->error = array( 543 "error" => "Called Mail() without being connected"); 544 return false; 545 } 546 547 $useVerp = ($this->do_verp ? "XVERP" : ""); 548 fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $useVerp . $this->CRLF); 549 550 $rply = $this->get_lines(); 551 $code = substr($rply,0,3); 552 553 if($this->do_debug >= 2) { 554 echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; 555 } 556 557 if($code != 250) { 558 $this->error = 559 array("error" => "MAIL not accepted from server", 560 "smtp_code" => $code, 561 "smtp_msg" => substr($rply,4)); 562 if($this->do_debug >= 1) { 563 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 564 } 565 return false; 566 } 567 return true; 568 } 569 570 /** 571 * Sends the quit command to the server and then closes the socket 572 * if there is no error or the $close_on_error argument is true. 573 * 574 * Implements from rfc 821: QUIT <CRLF> 575 * 576 * SMTP CODE SUCCESS: 221 577 * SMTP CODE ERROR : 500 578 * @access public 579 * @return bool 580 */ 581 public function Quit($close_on_error = true) { 582 $this->error = null; // so there is no confusion 583 584 if(!$this->connected()) { 585 $this->error = array( 586 "error" => "Called Quit() without being connected"); 587 return false; 588 } 589 590 // send the quit command to the server 591 fputs($this->smtp_conn,"quit" . $this->CRLF); 592 593 // get any good-bye messages 594 $byemsg = $this->get_lines(); 595 596 if($this->do_debug >= 2) { 597 echo "SMTP -> FROM SERVER:" . $byemsg . $this->CRLF . '<br />'; 598 } 599 600 $rval = true; 601 $e = null; 602 603 $code = substr($byemsg,0,3); 604 if($code != 221) { 605 // use e as a tmp var cause Close will overwrite $this->error 606 $e = array("error" => "SMTP server rejected quit command", 607 "smtp_code" => $code, 608 "smtp_rply" => substr($byemsg,4)); 609 $rval = false; 610 if($this->do_debug >= 1) { 611 echo "SMTP -> ERROR: " . $e["error"] . ": " . $byemsg . $this->CRLF . '<br />'; 612 } 613 } 614 615 if(empty($e) || $close_on_error) { 616 $this->Close(); 617 } 618 619 return $rval; 620 } 621 622 /** 623 * Sends the command RCPT to the SMTP server with the TO: argument of $to. 624 * Returns true if the recipient was accepted false if it was rejected. 625 * 626 * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF> 627 * 628 * SMTP CODE SUCCESS: 250,251 629 * SMTP CODE FAILURE: 550,551,552,553,450,451,452 630 * SMTP CODE ERROR : 500,501,503,421 631 * @access public 632 * @return bool 633 */ 634 public function Recipient($to) { 635 $this->error = null; // so no confusion is caused 636 637 if(!$this->connected()) { 638 $this->error = array( 639 "error" => "Called Recipient() without being connected"); 640 return false; 641 } 642 643 fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF); 644 645 $rply = $this->get_lines(); 646 $code = substr($rply,0,3); 647 648 if($this->do_debug >= 2) { 649 echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; 650 } 651 652 if($code != 250 && $code != 251) { 653 $this->error = 654 array("error" => "RCPT not accepted from server", 655 "smtp_code" => $code, 656 "smtp_msg" => substr($rply,4)); 657 if($this->do_debug >= 1) { 658 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 659 } 660 return false; 661 } 662 return true; 663 } 664 665 /** 666 * Sends the RSET command to abort and transaction that is 667 * currently in progress. Returns true if successful false 668 * otherwise. 669 * 670 * Implements rfc 821: RSET <CRLF> 671 * 672 * SMTP CODE SUCCESS: 250 673 * SMTP CODE ERROR : 500,501,504,421 674 * @access public 675 * @return bool 676 */ 677 public function Reset() { 678 $this->error = null; // so no confusion is caused 679 680 if(!$this->connected()) { 681 $this->error = array( 682 "error" => "Called Reset() without being connected"); 683 return false; 684 } 685 686 fputs($this->smtp_conn,"RSET" . $this->CRLF); 687 688 $rply = $this->get_lines(); 689 $code = substr($rply,0,3); 690 691 if($this->do_debug >= 2) { 692 echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; 693 } 694 695 if($code != 250) { 696 $this->error = 697 array("error" => "RSET failed", 698 "smtp_code" => $code, 699 "smtp_msg" => substr($rply,4)); 700 if($this->do_debug >= 1) { 701 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 702 } 703 return false; 704 } 705 706 return true; 707 } 708 709 /** 710 * Starts a mail transaction from the email address specified in 711 * $from. Returns true if successful or false otherwise. If True 712 * the mail transaction is started and then one or more Recipient 713 * commands may be called followed by a Data command. This command 714 * will send the message to the users terminal if they are logged 715 * in and send them an email. 716 * 717 * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF> 718 * 719 * SMTP CODE SUCCESS: 250 720 * SMTP CODE SUCCESS: 552,451,452 721 * SMTP CODE SUCCESS: 500,501,502,421 722 * @access public 723 * @return bool 724 */ 725 public function SendAndMail($from) { 726 $this->error = null; // so no confusion is caused 727 728 if(!$this->connected()) { 729 $this->error = array( 730 "error" => "Called SendAndMail() without being connected"); 731 return false; 732 } 733 734 fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF); 735 736 $rply = $this->get_lines(); 737 $code = substr($rply,0,3); 738 739 if($this->do_debug >= 2) { 740 echo "SMTP -> FROM SERVER:" . $rply . $this->CRLF . '<br />'; 741 } 742 743 if($code != 250) { 744 $this->error = 745 array("error" => "SAML not accepted from server", 746 "smtp_code" => $code, 747 "smtp_msg" => substr($rply,4)); 748 if($this->do_debug >= 1) { 749 echo "SMTP -> ERROR: " . $this->error["error"] . ": " . $rply . $this->CRLF . '<br />'; 750 } 751 return false; 752 } 753 return true; 754 } 755 756 /** 757 * This is an optional command for SMTP that this class does not 758 * support. This method is here to make the RFC821 Definition 759 * complete for this class and __may__ be implimented in the future 760 * 761 * Implements from rfc 821: TURN <CRLF> 762 * 763 * SMTP CODE SUCCESS: 250 764 * SMTP CODE FAILURE: 502 765 * SMTP CODE ERROR : 500, 503 766 * @access public 767 * @return bool 768 */ 769 public function Turn() { 770 $this->error = array("error" => "This method, TURN, of the SMTP ". 771 "is not implemented"); 772 if($this->do_debug >= 1) { 773 echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF . '<br />'; 774 } 775 return false; 776 } 777 778 /** 779 * Get the current error 780 * @access public 781 * @return array 782 */ 783 public function getError() { 784 return $this->error; 785 } 786 787 ///////////////////////////////////////////////// 788 // INTERNAL FUNCTIONS 789 ///////////////////////////////////////////////// 790 791 /** 792 * Read in as many lines as possible 793 * either before eof or socket timeout occurs on the operation. 794 * With SMTP we can tell if we have more lines to read if the 795 * 4th character is '-' symbol. If it is a space then we don't 796 * need to read anything else. 797 * @access private 798 * @return string 799 */ 800 private function get_lines() { 801 $data = ""; 802 while(!feof($this->smtp_conn)) { 803 $str = @fgets($this->smtp_conn,515); 804 if($this->do_debug >= 4) { 805 echo "SMTP -> get_lines(): \$data was \"$data\"" . $this->CRLF . '<br />'; 806 echo "SMTP -> get_lines(): \$str is \"$str\"" . $this->CRLF . '<br />'; 807 } 808 $data .= $str; 809 if($this->do_debug >= 4) { 810 echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF . '<br />'; 811 } 812 // if 4th character is a space, we are done reading, break the loop 813 if(substr($str,3,1) == " ") { break; } 814 } 815 return $data; 816 } 817 818 } 819
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