BETA: Max SpamAssassin Size for sendmail and Postfix
Drew Marshall
drew at themarshalls.co.uk
Mon Sep 11 20:04:28 IST 2006
On Mon, September 11, 2006 12:09, Alex Broens wrote:
> Though & wish: apply the VERY simple spamc method: "max msg size" and
> save lots of cpu time and potential FPs avoiding scanning even chuncks
> of oversized msgs.
> (incidentaly scanning chuncks breaks some plugins, full & rawbody
> rules,
> etc)
Interestingly Messagelabs does just this:
X-Env-Sender: drew at themarshalls.co.uk
X-Msg-Ref: server-12.tower-148.messagelabs.com!1157891897!1022432!1
X-StarScan-Version: 5.5.10.7; banners=-,-,-
X-SpamReason: No, hits=0.0 required=7.0 tests=Mail larger than max spam
size
Please note this is made as an observation. I don't understand enough
about all the different SA rules to appreciate what the best choice
is (Yet!). Certainly I understand the issues of DoS and indeed the
potential of missing large spam messages but I can also see the
possible benefits of not scanning very large messages at all for some
of my very old and underpowered machines, so I am following this
debate with a keen interest.
Drew
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