[Mimedefang] Detecting content-type of message in filter_end

David F. Skoll dfs at roaringpenguin.com
Mon Oct 25 22:05:40 EDT 2004


On Mon, 25 Oct 2004, Aleksandar Milivojevic wrote:

> I wanted to extend my mimedefang-filter to block disposition
> notifications (return receipts).

> if (lc($entity->head->get("content-type")) =~
>      m+multipart/report.*disposition-notification+) {
>          md_graphdefang_log('disposition-notification');
>          return action_bounce("Disposition notifications not allowed");
> }

There's a bug in MIMEDefang; the rebuilt entry that gets passed to filter_end
is always of type multipart/mixed, multipart/alternative or multipart/digest.
The next release will fix this.

Regards,

David.



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