Email validation

[Anon]

Hi!

I´d like to validate that an emailadress is correct when my users sign up for membership. Can I? How then?

[knickerlas]

This will check it's the right format at least.

function email_check ($intext) {
$email= ereg("^[@ ]+@[^@ ]+.[^@ .]+$",$intext);
if ($email) {
return TRUE;
} else {
return FALSE;
}
}

Nick

[Anon]

I use this on my scripts:

function validateEmail ( $email )
{
	global $SERVER_NAME;
	$return = array ( false, "" );
	list ( $user, $domain )  = split ( "@", $email, 2 );
	$tld = $domain;
	if ( checkdnsrr ( $tld, "MX" ) )
	{
		if ( getmxrr ( $tld, $mxhosts, $weight ) )
		{
			for ( $i = 0; $i < count ( $mxhosts ); $i++ )
			{
				$fp = fsockopen ( $mxhosts[$i], 25 );
				if ( $fp )
				{
					$s = 0;
					$c = 0;
					$out = "";
					set_socket_blocking ( $fp, false );
					do
					{
						$out = fgets ( $fp, 2500 );
						if ( ereg ( "^220", $out ) )
						{
							$s = 0;
							$out = "";
							$c++;
						}
						else if ( ( $c > 0 ) && ( $out == "" ) )
						{ break; }
						else
						{ $s++;	}
						if ( $s == 9999 ) { break; }

					} while ( $out == "" );
					set_socket_blocking ( $fp, true );

					fputs ( $fp, "HELO $SERVER_NAME\n" );
					$output = fgets ( $fp, 2000 );
					fputs ( $fp, "MAIL FROM: <info@" . $tld . ">\n" );
					$output = fgets ( $fp, 2000 );
					fputs ( $fp, "RCPT TO: <$email>\n" );				
					$output = fgets ( $fp, 2000 );
					if ( ereg ( "^250", $output ) )
					{
						$return[0] = true;
					}
					else
					{
						$return[0] = false;
						$return[1] = $output;
					}
					fputs ( $fp, "QUIT\n" );
					fclose( $fp );

					if ( $return[0] == true )
					{ break; }
				}
			}
		}
	}
	return $return;
}

Hope this helps

[Anon]

getmxrr() is not supported!!!