On Fri, 10 May 2002, Phil Chambers wrote:
>
> On Fri, 10 May 2002 10:21:32 +0100 (BST) Philip Hazel <ph10@???> wrote:
>
> > On Thu, 9 May 2002, Marc Haber wrote:
> >
> > > So a filter file that has a "if not first delivery" clause is
> > > _guaranteed_ to be run once?
> >
> > A filter file is run every time. However, any commands that are inside
> > "if first_delivery ... endif" should be run only on the first occasion.
> > Any commands inside "if not first_delivery...endif" may never be run at
> > all.
> >
>
> Presumably "may never be run at all" only occurs is the messages is does not get
> delivered? That is the only way I can think of a first delivery never occurring.
I think you missed the "not".
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
