Beta 4.50.4 released -- faster than 4.49

[Julian Field]

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On 4 Jan 2006, at 23:17, Steve Freegard wrote:

> Hi Raymond,
>
> On Wed, 2006-01-04 at 23:40 +0100, Raymond Dijkxhoorn wrote:
>> Hi!
>>
>>> 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.
>>
>> 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.
>
> Good idea - treating low/high spam differently in the cache expiry  
> timer
> makes sense - this shouldn't be too difficult to do either.   
> Working out
> the best amount to time to cache each will be trickier though as it
> really depends on how much mail you get.
>
> The way the expiry works at the moment is to expire:
>
> - non-spam after 30mins from the creation of the cache record (to
> account for lag getting onto RBLs/Pyzor/Razor/DCC).
>
> - spam after 6 hours from the initial creation of the cache record.

Steve ---- What say we change 6 hours to 3 hours, and add high-spam  
expiry 6 hours from the "first" time? That should be nothing more  
than 1 change to the expiry function.
Can you work out the SQL for me please?

>
> - virus infected messages after 48 hours from the last cache-hit (to
> give the best possible chance of getting a cache-hit).
>
> These values are configurable in SA.pm at the moment as we didn't  
> think
> it was likely that they would need to be changed.
>
> Kind regards,
> Steve.
>
> --
> Steve Freegard
> Fort Systems Ltd.
>
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- -- 
Julian Field
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