Email Attachment Creation

		$email_content .= "--$mime_boundary\r\n";
		$email_content .= "Content-Type: $file_type; name=".$short_name."\r\n";
		$email_content .= "Content-Disposition: attachment; filename=".$short_name."\r\n";
		$email_content .= "Content-Transfer-Encoding: base64\r\n";
		$email_content .= $data . "\r\n";