[Mimedefang] md_check_against_smtp_server {Scanned by Allteks Mailsafe}

[David F. Skoll]

Paul Houselander wrote:

> Whilst trying to debug I was thinking the same, I pretty much used this
> script http://www.mimedefang.org/kwiki/index.cgi?RecipientCheckBDBCache in
> its entirity, I used to use a much simplier script which just checked based
> on whether md_check_against_server returned REJECT.

I don't think it's a good idea to cache the results of md_check_against_server.
If someone does a dictionary attack and you cache negative lookups,
your cache will grow very large.  If you don't cache negative lookups,
then most of the time you won't have a cache hit.

Regards,

David.