Beta 4.50.4 released -- faster than 4.49
MailScanner at ecs.soton.ac.uk
Thu Jan 5 09:24:02 GMT 2006
-----BEGIN PGP SIGNED MESSAGE-----
On 4 Jan 2006, at 22:40, Raymond Dijkxhoorn wrote:
>> One thing worth mentioning: if you use rcpt splitting (one message
>> per recipient) then you should see a massive speed improvement
>> with this version.
>> Raymond --- this may help you!
> Ok. After some thinking :)
> This works, but! :)
> Let me try to explain.
> Spammer sends spam, SA detects, but low spam score. We feed all
> those to our analyzer box, analyzer box finds URL thats bad, lists
> in a RBL...
> Normally the next messages will have a higher score, since more URI-
> BL lists will detect them after a few minutes. Same goes for bayes
> scores and so on.
> Is it a good idea to make it configurable when to use this feature?
> Eg, when its high spam? If its high spam i care less about the
> extra scores, high is high enough. If its low spam i certainly
> would be interested if its not high spam by then. Makes the
> difference of delivering or deleting in our case. Some ligic to
> only cache low spam for lets say 5 mins, and high spam an hour or
> so would be preferred. Else the detection will go down and thats bad.
It currently caches non-spam results for 30 minutes, spam results for
60 minutes. This should be enough to stop your detection rate
dropping very much.
> Just some idea's, hopefully it helps. Really cool move i think
> this. Saves a lot of power, only need to figure out something for
> the above... to optimize things.
I've done most of what you suggest already.
Caching high spam for longer than low spam is an interesting idea, I
may well do that.
Buy the MailScanner book at www.MailScanner.info/store
PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654
-----BEGIN PGP SIGNATURE-----
Version: PGP Desktop 9.0.3 (Build 2932)
-----END PGP SIGNATURE-----
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.
------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at jiscmail.ac.uk with the words:
'leave mailscanner' in the body of the email.
Before posting, read the Wiki (http://wiki.mailscanner.info/) and
the archives (http://www.jiscmail.ac.uk/lists/mailscanner.html).
Support MailScanner development - buy the book off the website!
More information about the MailScanner