Dermot Paikkos said: > Hi managers,
>
> SYS: Tru64 5.1 exim 3.2
>
> I am trying to filter out spam that we are receiving daily. The
> subject is always the same "re[xx]". I have tried several
> combinations of:
>
> $header_subject is "re \\[\\d+\\]:" or
> $header_subject is "re(\\[\\d+\\]|\s\[\\d+\]|\[\\d+\])" or
> $header_subject is re[\d+] or
>
> but they still get through.