Re: [exim-dev] content scan results cache

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Autor: Tom Kistner
Datum:  
To: exim-dev
CC: Tony Finch
Betreff: Re: [exim-dev] content scan results cache
On Thursday 05 January 2006 14:48, Tony Finch wrote:

> MailScanner has gained an interesting optimization recently, that may be
> worth adding to Exim. It takes a checksum of the message body, and if that
> matches the checksum of a message that has already been received it skips
> the full SpamAssassin and anti-virus scan and instead pulls the results
> out of a cache. This seems to be more effective than you might expect,
> even without any kind of fuzzy-matching in the checksum.


Good idea. Calculating an MD5 of the body would not be a major overhead. The
mbox spooling reads the whole message anyway.

I'll do it. :)

/tom