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 $this->smtp_error("sending <CR>;<LF>;.<CR>;<LF>; [EOM]");
}
if (!$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, $header."rn".$body);
$this->smtp_debug(">; ".str_replace("rn", "n".">; ", $header."n>; ".$body."n>; "));
return TRUE;
}
function smtp_eom()
{
fputs($this->sock, "rn.rn");
$this->smtp_debug(". [EOM]n");
return $this->smtp_ok();
}
function smtp_ok()
{
$response = str_replace("rn", "", fgets($this->sock, 512));
$this->smtp_debug($response."n");
if (!ereg("^[23]", $response)) {
fputs($this->sock, "QUITrn");
fgets($this->sock, 512);
