ame could not be verified otherwise
* the response from the server is returned.
*
* Implements rfc 821: VRFY
*
* SMTP CODE SUCCESS: 250,251
* SMTP CODE FAILURE: 550,551,553
* SMTP CODE ERROR : 500,501,502,421
* @access public
* @return int
*/
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
*/
function get_lines() {
$data = "";
while($str = @fgets($this->smtp_conn,515)) {
if($this->do_debug >= 4) {
echo "-------------------" .
$this->CRLF;
echo "SMTP -> get_lines(): \$data was \"$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 $data;
}
}
?>
op crafty people from using internal IP addresses
if (($digit[0] == 192) || ($digit[0] == 10)) {
$valid_address = false;
return $valid_address;
exit;
}
}
}
if (!ereg($space_check, $email)) { // trap for spaces in
if ( eregi($valid_email_pattern, $email)) { // validate against valid email patterns
$valid_address = true;
} else {
$valid_address = false;
return $valid_address;
exit;
}
}
return $valid_address;
}
?>