WIll do, this way I'll stop bugging Bob as well :) Sampsa On 1 Jul 2009, at 22:46, Zane H. Healy wrote: On Wed, 1 Jul 2009, Sampsa Laine wrote: I will take a look at this mail_routines documentation - it's not immediately obvious to me how to write the library with the relevant entry points. As others seem to point out it's rather undocumented - you wouldn't have any old code lying around would you Bob? :) I'd recommend asking such questions on comp.os.vms rather than here. Better to hit a much wider audience. Zane