On 26 Feb 2015, at 14:10 , Steffen Kaiser <[email protected]> wrote:
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> On Thu, 26 Feb 2015, Fredrik Pettai wrote:
>
> > I want to make a ìsemiî dynamic rule that would tag emails that matches a
> > list of strings, something like this:
>
> Transform the strings into a SpamAssassin config file and let do it that
> job. They found out that pattern matching takes lots of memory and CPU and
> therefore invented techniques to overcome those problems, e.g. by using
> pattern matching in C files.
Interesting idea. I’ll try it out...
> You can then probe for your tags.
>
> > sub filter {
> > my($entity, $fname, $ext, $type) = @_;
> >
> > return if message_rejected();
> >
> > if ($Sender =~ XYZ {
> >
> > if ($Subject =~ [input from a list] ) {
> > action_change_header('Subject', ì[ADD CUSTOM TAG]$Subject");
> > } else {
> >
> > my $io;
> > if ($io = $entity->open("r")) {
> > while (defined($_ = $io->getline)) {
> > if ( [input from a list] ) {
> > action_change_header('Subject', ì[ADD CUSTOM
> > TAG]$Subject");
> > last;
> > }
> > }
> > $io->close;
> > }
> > }
> > }
> >
> > return action_accept();
> > }
> >
> >
> > I wonder what the best solution would be to achieve this?
> >
> > Currently, the [input from a list] is a text file which holds a lot of
> > strings, one per line, and is currently about 6000+ lines long...
> > Is it a bad idea to open and read the text file from mimedefang-filter?
> > Would it be better to generate a new version of mimedefang-filter with the
> > content of the text file inline?
> > Or should I consider something else?
> >
> > The text file is also updated, but not that frequentlyÖ
>
> - --
> Steffen Kaiser
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