Hello, On 03/17/08 20:04, henning Westerholt wrote: If one wants the N-th header of some type, won't be much improvement as it still needs to iterate to the Nth position, there are not direct hooks for such case. Henning is right, the method should be fast enough, if it is the case of a known header, identification is done via integer comparison. If it is not, will be string comparison, and in this case there is very likely to have no direct hook, so optimization cannot be done. Cheers, Daniel