| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Deliver_SMTP.class.php |
| 5 | * |
| 6 | * SMTP delivery backend for the Deliver class. |
| 7 | * |
| 8 | * @copyright 1999-2011 The SquirrelMail Project Team |
| 9 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
| 10 | * @version $Id$ |
| 11 | * @package squirrelmail |
| 12 | */ |
| 13 | |
| 14 | /** @ignore */ |
| 15 | if (!defined('SM_PATH')) define('SM_PATH','../../'); |
| 16 | |
| 17 | /** This of course depends upon Deliver */ |
| 18 | include_once(SM_PATH . 'class/deliver/Deliver.class.php'); |
| 19 | |
| 20 | /** |
| 21 | * Deliver messages using SMTP |
| 22 | * @package squirrelmail |
| 23 | */ |
| 24 | class Deliver_SMTP extends Deliver { |
| 25 | /** |
| 26 | * Array keys are uppercased ehlo keywords |
| 27 | * array key values are ehlo params. If ehlo-param contains space, it is splitted into array. |
| 28 | * @var array ehlo |
| 29 | * @since 1.5.1 |
| 30 | */ |
| 31 | var $ehlo = array(); |
| 32 | /** |
| 33 | * @var string domain |
| 34 | * @since 1.5.1 |
| 35 | */ |
| 36 | var $domain = ''; |
| 37 | /** |
| 38 | * SMTP STARTTLS rfc: "Both the client and the server MUST know if there |
| 39 | * is a TLS session active." |
| 40 | * Variable should be set to true, when encryption is turned on. |
| 41 | * @var boolean |
| 42 | * @since 1.5.1 |
| 43 | */ |
| 44 | var $tls_enabled = false; |
| 45 | /** |
| 46 | * Private var |
| 47 | * var stream $stream |
| 48 | * @todo don't pass stream resource in class method arguments. |
| 49 | */ |
| 50 | //var $stream = false; |
| 51 | /** @var string delivery error message */ |
| 52 | var $dlv_msg = ''; |
| 53 | /** @var integer delivery error number from server */ |
| 54 | var $dlv_ret_nr = ''; |
| 55 | /** @var string delivery error message from server */ |
| 56 | var $dlv_server_msg = ''; |
| 57 | |
| 58 | function preWriteToStream(&$s) { |
| 59 | if ($s) { |
| 60 | if ($s{0} == '.') $s = '.' . $s; |
| 61 | $s = str_replace("\n.","\n..",$s); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | function initStream($message, $domain, $length=0, $host='', $port='', $user='', $pass='', $authpop=false, $pop_host='') { |
| 66 | global $use_smtp_tls,$smtp_auth_mech; |
| 67 | |
| 68 | if ($authpop) { |
| 69 | $this->authPop($pop_host, '', $user, $pass); |
| 70 | } |
| 71 | |
| 72 | $rfc822_header = $message->rfc822_header; |
| 73 | |
| 74 | $from = $rfc822_header->from[0]; |
| 75 | $to = $rfc822_header->to; |
| 76 | $cc = $rfc822_header->cc; |
| 77 | $bcc = $rfc822_header->bcc; |
| 78 | $content_type = $rfc822_header->content_type; |
| 79 | |
| 80 | // MAIL FROM: <from address> MUST be empty in cae of MDN (RFC2298) |
| 81 | if ($content_type->type0 == 'multipart' && |
| 82 | $content_type->type1 == 'report' && |
| 83 | isset($content_type->properties['report-type']) && |
| 84 | $content_type->properties['report-type']=='disposition-notification') { |
| 85 | // reinitialize the from object because otherwise the from header somehow |
| 86 | // is affected. This $from var is used for smtp command MAIL FROM which |
| 87 | // is not the same as what we put in the rfc822 header. |
| 88 | $from = new AddressStructure(); |
| 89 | $from->host = ''; |
| 90 | $from->mailbox = ''; |
| 91 | } |
| 92 | |
| 93 | if ($use_smtp_tls == 1) { |
| 94 | if ((check_php_version(4,3)) && (extension_loaded('openssl'))) { |
| 95 | $stream = @fsockopen('tls://' . $host, $port, $errorNumber, $errorString); |
| 96 | $this->tls_enabled = true; |
| 97 | } else { |
| 98 | /** |
| 99 | * don't connect to server when user asks for smtps and |
| 100 | * PHP does not support it. |
| 101 | */ |
| 102 | $errorNumber = ''; |
| 103 | $errorString = _("Secure SMTP (TLS) is enabled in SquirrelMail configuration, but used PHP version does not support it."); |
| 104 | } |
| 105 | } else { |
| 106 | $stream = @fsockopen($host, $port, $errorNumber, $errorString); |
| 107 | } |
| 108 | |
| 109 | if (!$stream) { |
| 110 | // reset tls state var to default value, if connection fails |
| 111 | $this->tls_enabled = false; |
| 112 | // set error messages |
| 113 | $this->dlv_msg = $errorString; |
| 114 | $this->dlv_ret_nr = $errorNumber; |
| 115 | $this->dlv_server_msg = _("Can't open SMTP stream."); |
| 116 | return(0); |
| 117 | } |
| 118 | // get server greeting |
| 119 | $tmp = fgets($stream, 1024); |
| 120 | if ($this->errorCheck($tmp, $stream)) { |
| 121 | return(0); |
| 122 | } |
| 123 | |
| 124 | /* |
| 125 | * If $_SERVER['HTTP_HOST'] is set, use that in our HELO to the SMTP |
| 126 | * server. This should fix the DNS issues some people have had |
| 127 | */ |
| 128 | if (sqgetGlobalVar('HTTP_HOST', $HTTP_HOST, SQ_SERVER)) { // HTTP_HOST is set |
| 129 | // optionally trim off port number |
| 130 | if($p = strrpos($HTTP_HOST, ':')) { |
| 131 | $HTTP_HOST = substr($HTTP_HOST, 0, $p); |
| 132 | } |
| 133 | $helohost = $HTTP_HOST; |
| 134 | } else { // For some reason, HTTP_HOST is not set - revert to old behavior |
| 135 | $helohost = $domain; |
| 136 | } |
| 137 | |
| 138 | // if the host is an IPv4 address, enclose it in brackets |
| 139 | // |
| 140 | if (preg_match('/^\d+\.\d+\.\d+\.\d+$/', $helohost)) |
| 141 | $helohost = '[' . $helohost . ']'; |
| 142 | |
| 143 | /* Lets introduce ourselves */ |
| 144 | fputs($stream, "EHLO $helohost\r\n"); |
| 145 | // Read ehlo response |
| 146 | $tmp = $this->parse_ehlo_response($stream); |
| 147 | if ($this->errorCheck($tmp,$stream)) { |
| 148 | // fall back to HELO if EHLO is not supported (error 5xx) |
| 149 | if ($this->dlv_ret_nr{0} == '5') { |
| 150 | fputs($stream, "HELO $helohost\r\n"); |
| 151 | $tmp = fgets($stream,1024); |
| 152 | if ($this->errorCheck($tmp,$stream)) { |
| 153 | return(0); |
| 154 | } |
| 155 | } else { |
| 156 | return(0); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | * Implementing SMTP STARTTLS (rfc2487) in php 5.1.0+ |
| 162 | * http://www.php.net/stream-socket-enable-crypto |
| 163 | */ |
| 164 | if ($use_smtp_tls === 2) { |
| 165 | if (function_exists('stream_socket_enable_crypto')) { |
| 166 | // don't try starting tls, when client thinks that it is already active |
| 167 | if ($this->tls_enabled) { |
| 168 | $this->dlv_msg = _("TLS session is already activated."); |
| 169 | return 0; |
| 170 | } elseif (!array_key_exists('STARTTLS',$this->ehlo)) { |
| 171 | // check for starttls in ehlo response |
| 172 | $this->dlv_msg = _("SMTP STARTTLS is enabled in SquirrelMail configuration, but used SMTP server does not support it"); |
| 173 | return 0; |
| 174 | } |
| 175 | |
| 176 | // issue starttls command |
| 177 | fputs($stream, "STARTTLS\r\n"); |
| 178 | // get response |
| 179 | $tmp = fgets($stream,1024); |
| 180 | if ($this->errorCheck($tmp,$stream)) { |
| 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | // start crypto on connection. suppress function errors. |
| 185 | if (@stream_socket_enable_crypto($stream,true,STREAM_CRYPTO_METHOD_TLS_CLIENT)) { |
| 186 | // starttls was successful (rfc2487 5.2 Result of the STARTTLS Command) |
| 187 | // get new EHLO response |
| 188 | fputs($stream, "EHLO $helohost\r\n"); |
| 189 | // Read ehlo response |
| 190 | $tmp = $this->parse_ehlo_response($stream); |
| 191 | if ($this->errorCheck($tmp,$stream)) { |
| 192 | // don't revert to helo here. server must support ESMTP |
| 193 | return 0; |
| 194 | } |
| 195 | // set information about started tls |
| 196 | $this->tls_enabled = true; |
| 197 | } else { |
| 198 | /** |
| 199 | * stream_socket_enable_crypto() call failed. |
| 200 | */ |
| 201 | $this->dlv_msg = _("Unable to start TLS."); |
| 202 | return 0; |
| 203 | // Bug: can't get error message. See comments in sqimap_create_stream(). |
| 204 | } |
| 205 | } else { |
| 206 | // php install does not support stream_socket_enable_crypto() function |
| 207 | $this->dlv_msg = _("SMTP STARTTLS is enabled in SquirrelMail configuration, but used PHP version does not support functions that allow to enable encryption on open socket."); |
| 208 | return 0; |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | // FIXME: check ehlo response before using authentication |
| 213 | |
| 214 | // Try authentication by a plugin |
| 215 | $smtp_auth_args = array( |
| 216 | 'auth_mech' => $smtp_auth_mech, |
| 217 | 'user' => $user, |
| 218 | 'pass' => $pass, |
| 219 | 'host' => $host, |
| 220 | 'port' => $port, |
| 221 | 'stream' => $stream, |
| 222 | ); |
| 223 | if (boolean_hook_function('smtp_auth', $smtp_auth_args, 1)) { |
| 224 | // authentication succeeded |
| 225 | } else if (( $smtp_auth_mech == 'cram-md5') or ( $smtp_auth_mech == 'digest-md5' )) { |
| 226 | // Doing some form of non-plain auth |
| 227 | if ($smtp_auth_mech == 'cram-md5') { |
| 228 | fputs($stream, "AUTH CRAM-MD5\r\n"); |
| 229 | } elseif ($smtp_auth_mech == 'digest-md5') { |
| 230 | fputs($stream, "AUTH DIGEST-MD5\r\n"); |
| 231 | } |
| 232 | |
| 233 | $tmp = fgets($stream,1024); |
| 234 | |
| 235 | if ($this->errorCheck($tmp,$stream)) { |
| 236 | return(0); |
| 237 | } |
| 238 | |
| 239 | // At this point, $tmp should hold "334 <challenge string>" |
| 240 | $chall = substr($tmp,4); |
| 241 | // Depending on mechanism, generate response string |
| 242 | if ($smtp_auth_mech == 'cram-md5') { |
| 243 | $response = cram_md5_response($user,$pass,$chall); |
| 244 | } elseif ($smtp_auth_mech == 'digest-md5') { |
| 245 | $response = digest_md5_response($user,$pass,$chall,'smtp',$host); |
| 246 | } |
| 247 | fputs($stream, $response); |
| 248 | |
| 249 | // Let's see what the server had to say about that |
| 250 | $tmp = fgets($stream,1024); |
| 251 | if ($this->errorCheck($tmp,$stream)) { |
| 252 | return(0); |
| 253 | } |
| 254 | |
| 255 | // CRAM-MD5 is done at this point. If DIGEST-MD5, there's a bit more to go |
| 256 | if ($smtp_auth_mech == 'digest-md5') { |
| 257 | // $tmp contains rspauth, but I don't store that yet. (No need yet) |
| 258 | fputs($stream,"\r\n"); |
| 259 | $tmp = fgets($stream,1024); |
| 260 | |
| 261 | if ($this->errorCheck($tmp,$stream)) { |
| 262 | return(0); |
| 263 | } |
| 264 | } |
| 265 | // CRAM-MD5 and DIGEST-MD5 code ends here |
| 266 | } elseif ($smtp_auth_mech == 'none') { |
| 267 | // No auth at all, just send helo and then send the mail |
| 268 | // We already said hi earlier, nothing more is needed. |
| 269 | } elseif ($smtp_auth_mech == 'login') { |
| 270 | // The LOGIN method |
| 271 | fputs($stream, "AUTH LOGIN\r\n"); |
| 272 | $tmp = fgets($stream, 1024); |
| 273 | |
| 274 | if ($this->errorCheck($tmp, $stream)) { |
| 275 | return(0); |
| 276 | } |
| 277 | fputs($stream, base64_encode ($user) . "\r\n"); |
| 278 | $tmp = fgets($stream, 1024); |
| 279 | if ($this->errorCheck($tmp, $stream)) { |
| 280 | return(0); |
| 281 | } |
| 282 | |
| 283 | fputs($stream, base64_encode($pass) . "\r\n"); |
| 284 | $tmp = fgets($stream, 1024); |
| 285 | if ($this->errorCheck($tmp, $stream)) { |
| 286 | return(0); |
| 287 | } |
| 288 | } elseif ($smtp_auth_mech == "plain") { |
| 289 | /* SASL Plain */ |
| 290 | $auth = base64_encode("$user\0$user\0$pass"); |
| 291 | |
| 292 | $query = "AUTH PLAIN\r\n"; |
| 293 | fputs($stream, $query); |
| 294 | $read=fgets($stream, 1024); |
| 295 | |
| 296 | if (substr($read,0,3) == '334') { // OK so far.. |
| 297 | fputs($stream, "$auth\r\n"); |
| 298 | $read = fgets($stream, 1024); |
| 299 | } |
| 300 | |
| 301 | $results=explode(" ",$read,3); |
| 302 | $response=$results[1]; |
| 303 | $message=$results[2]; |
| 304 | } else { |
| 305 | /* Right here, they've reached an unsupported auth mechanism. |
| 306 | This is the ugliest hack I've ever done, but it'll do till I can fix |
| 307 | things up better tomorrow. So tired... */ |
| 308 | if ($this->errorCheck("535 Unable to use this auth type",$stream)) { |
| 309 | return(0); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | /* Ok, who is sending the message? */ |
| 314 | $fromaddress = (strlen($from->mailbox) && $from->host) ? |
| 315 | $from->mailbox.'@'.$from->host : ''; |
| 316 | fputs($stream, 'MAIL FROM:<'.$fromaddress.">\r\n"); |
| 317 | $tmp = fgets($stream, 1024); |
| 318 | if ($this->errorCheck($tmp, $stream)) { |
| 319 | return(0); |
| 320 | } |
| 321 | |
| 322 | /* send who the recipients are */ |
| 323 | for ($i = 0, $cnt = count($to); $i < $cnt; $i++) { |
| 324 | if (!$to[$i]->host) $to[$i]->host = $domain; |
| 325 | if (strlen($to[$i]->mailbox)) { |
| 326 | fputs($stream, 'RCPT TO:<'.$to[$i]->mailbox.'@'.$to[$i]->host.">\r\n"); |
| 327 | $tmp = fgets($stream, 1024); |
| 328 | if ($this->errorCheck($tmp, $stream)) { |
| 329 | return(0); |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | for ($i = 0, $cnt = count($cc); $i < $cnt; $i++) { |
| 335 | if (!$cc[$i]->host) $cc[$i]->host = $domain; |
| 336 | if (strlen($cc[$i]->mailbox)) { |
| 337 | fputs($stream, 'RCPT TO:<'.$cc[$i]->mailbox.'@'.$cc[$i]->host.">\r\n"); |
| 338 | $tmp = fgets($stream, 1024); |
| 339 | if ($this->errorCheck($tmp, $stream)) { |
| 340 | return(0); |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | for ($i = 0, $cnt = count($bcc); $i < $cnt; $i++) { |
| 346 | if (!$bcc[$i]->host) $bcc[$i]->host = $domain; |
| 347 | if (strlen($bcc[$i]->mailbox)) { |
| 348 | fputs($stream, 'RCPT TO:<'.$bcc[$i]->mailbox.'@'.$bcc[$i]->host.">\r\n"); |
| 349 | $tmp = fgets($stream, 1024); |
| 350 | if ($this->errorCheck($tmp, $stream)) { |
| 351 | return(0); |
| 352 | } |
| 353 | } |
| 354 | } |
| 355 | /* Lets start sending the actual message */ |
| 356 | fputs($stream, "DATA\r\n"); |
| 357 | $tmp = fgets($stream, 1024); |
| 358 | if ($this->errorCheck($tmp, $stream)) { |
| 359 | return(0); |
| 360 | } |
| 361 | return $stream; |
| 362 | } |
| 363 | |
| 364 | function finalizeStream($stream) { |
| 365 | fputs($stream, "\r\n.\r\n"); /* end the DATA part */ |
| 366 | $tmp = fgets($stream, 1024); |
| 367 | $this->errorCheck($tmp, $stream); |
| 368 | if ($this->dlv_ret_nr != 250) { |
| 369 | return(0); |
| 370 | } |
| 371 | fputs($stream, "QUIT\r\n"); /* log off */ |
| 372 | fclose($stream); |
| 373 | return true; |
| 374 | } |
| 375 | |
| 376 | /* check if an SMTP reply is an error and set an error message) */ |
| 377 | function errorCheck($line, $smtpConnection) { |
| 378 | |
| 379 | $err_num = substr($line, 0, 3); |
| 380 | $this->dlv_ret_nr = $err_num; |
| 381 | $server_msg = substr($line, 4); |
| 382 | |
| 383 | while(substr($line, 0, 4) == ($err_num.'-')) { |
| 384 | $line = fgets($smtpConnection, 1024); |
| 385 | $server_msg .= substr($line, 4); |
| 386 | } |
| 387 | |
| 388 | if ( ((int) $err_num{0}) < 4) { |
| 389 | return false; |
| 390 | } |
| 391 | |
| 392 | switch ($err_num) { |
| 393 | case '421': $message = _("Service not available, closing channel"); |
| 394 | break; |
| 395 | case '432': $message = _("A password transition is needed"); |
| 396 | break; |
| 397 | case '450': $message = _("Requested mail action not taken: mailbox unavailable"); |
| 398 | break; |
| 399 | case '451': $message = _("Requested action aborted: error in processing"); |
| 400 | break; |
| 401 | case '452': $message = _("Requested action not taken: insufficient system storage"); |
| 402 | break; |
| 403 | case '454': $message = _("Temporary authentication failure"); |
| 404 | break; |
| 405 | case '500': $message = _("Syntax error; command not recognized"); |
| 406 | break; |
| 407 | case '501': $message = _("Syntax error in parameters or arguments"); |
| 408 | break; |
| 409 | case '502': $message = _("Command not implemented"); |
| 410 | break; |
| 411 | case '503': $message = _("Bad sequence of commands"); |
| 412 | break; |
| 413 | case '504': $message = _("Command parameter not implemented"); |
| 414 | break; |
| 415 | case '530': $message = _("Authentication required"); |
| 416 | break; |
| 417 | case '534': $message = _("Authentication mechanism is too weak"); |
| 418 | break; |
| 419 | case '535': $message = _("Authentication failed"); |
| 420 | break; |
| 421 | case '538': $message = _("Encryption required for requested authentication mechanism"); |
| 422 | break; |
| 423 | case '550': $message = _("Requested action not taken: mailbox unavailable"); |
| 424 | break; |
| 425 | case '551': $message = _("User not local; please try forwarding"); |
| 426 | break; |
| 427 | case '552': $message = _("Requested mail action aborted: exceeding storage allocation"); |
| 428 | break; |
| 429 | case '553': $message = _("Requested action not taken: mailbox name not allowed"); |
| 430 | break; |
| 431 | case '554': $message = _("Transaction failed"); |
| 432 | break; |
| 433 | default: $message = _("Unknown response"); |
| 434 | break; |
| 435 | } |
| 436 | |
| 437 | $this->dlv_msg = $message; |
| 438 | $this->dlv_server_msg = $server_msg; |
| 439 | |
| 440 | return true; |
| 441 | } |
| 442 | |
| 443 | function authPop($pop_server='', $pop_port='', $user, $pass) { |
| 444 | if (!$pop_port) { |
| 445 | $pop_port = 110; |
| 446 | } |
| 447 | if (!$pop_server) { |
| 448 | $pop_server = 'localhost'; |
| 449 | } |
| 450 | $popConnection = @fsockopen($pop_server, $pop_port, $err_no, $err_str); |
| 451 | if (!$popConnection) { |
| 452 | error_log("Error connecting to POP Server ($pop_server:$pop_port)" |
| 453 | . " $err_no : $err_str"); |
| 454 | return false; |
| 455 | } else { |
| 456 | $tmp = fgets($popConnection, 1024); /* banner */ |
| 457 | if (substr($tmp, 0, 3) != '+OK') { |
| 458 | return false; |
| 459 | } |
| 460 | fputs($popConnection, "USER $user\r\n"); |
| 461 | $tmp = fgets($popConnection, 1024); |
| 462 | if (substr($tmp, 0, 3) != '+OK') { |
| 463 | return false; |
| 464 | } |
| 465 | fputs($popConnection, 'PASS ' . $pass . "\r\n"); |
| 466 | $tmp = fgets($popConnection, 1024); |
| 467 | if (substr($tmp, 0, 3) != '+OK') { |
| 468 | return false; |
| 469 | } |
| 470 | fputs($popConnection, "QUIT\r\n"); /* log off */ |
| 471 | fclose($popConnection); |
| 472 | } |
| 473 | return true; |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * Parses ESMTP EHLO response (rfc1869) |
| 478 | * |
| 479 | * Reads SMTP response to EHLO command and fills class variables |
| 480 | * (ehlo array and domain string). Returns last line. |
| 481 | * @param stream $stream smtp connection stream. |
| 482 | * @return string last ehlo line |
| 483 | * @since 1.5.1 |
| 484 | */ |
| 485 | function parse_ehlo_response($stream) { |
| 486 | // don't cache ehlo information |
| 487 | $this->ehlo=array(); |
| 488 | $ret = ''; |
| 489 | $firstline = true; |
| 490 | /** |
| 491 | * ehlo mailclient.example.org |
| 492 | * 250-mail.example.org |
| 493 | * 250-PIPELINING |
| 494 | * 250-SIZE 52428800 |
| 495 | * 250-DATAZ |
| 496 | * 250-STARTTLS |
| 497 | * 250-AUTH LOGIN PLAIN |
| 498 | * 250 8BITMIME |
| 499 | */ |
| 500 | while ($line=fgets($stream, 1024)){ |
| 501 | // match[1] = first symbol after 250 |
| 502 | // match[2] = domain or ehlo-keyword |
| 503 | // match[3] = greeting or ehlo-param |
| 504 | // match space after keyword in ehlo-keyword CR LF |
| 505 | if (preg_match("/^250(-|\s)(\S*)\s+(\S.*)\r\n/",$line,$match)|| |
| 506 | preg_match("/^250(-|\s)(\S*)\s*\r\n/",$line,$match)) { |
| 507 | if ($firstline) { |
| 508 | // first ehlo line (250[-\ ]domain SP greeting) |
| 509 | $this->domain = $match[2]; |
| 510 | $firstline=false; |
| 511 | } elseif (!isset($match[3])) { |
| 512 | // simple one word extension |
| 513 | $this->ehlo[strtoupper($match[2])]=''; |
| 514 | } elseif (!preg_match("/\s/",trim($match[3]))) { |
| 515 | // extension with one option |
| 516 | // yes, I know about ctype extension. no, i don't want to depend on it |
| 517 | $this->ehlo[strtoupper($match[2])]=trim($match[3]); |
| 518 | } else { |
| 519 | // ehlo-param with spaces |
| 520 | $this->ehlo[strtoupper($match[2])]=explode(' ',trim($match[3])); |
| 521 | } |
| 522 | if ($match[1]==' ') { |
| 523 | // stop while cycle, if we reach last 250 line |
| 524 | $ret = $line; |
| 525 | break; |
| 526 | } |
| 527 | } else { |
| 528 | // this is not 250 response |
| 529 | $ret = $line; |
| 530 | break; |
| 531 | } |
| 532 | } |
| 533 | return $ret; |
| 534 | } |
| 535 | } |