-------- Original-Nachricht --------
> Datum: Mon, 26 Nov 2007 17:30:32 +0000
> Von: Mark Rogers <[EMAIL PROTECTED]>
> An: [email protected]
> Betreff: Re: [dspam-users] EICAR equivalent for spam

> Steve wrote:
> > DSPAM is a statistical software and not a rule/hash based software 
> > like an anti-virus application. Having a string or binary on witch 
> > DSPAM would always report spam is pointless in a statistical software.
> >
> > If you want, you could create your own string and train with that 
> > string your DSPAM installation to report that string as spam.
> >
> > [...]
> 
> I'm not sure I followed all of that sufficiently to be able to work 
> through it. Assuming I'm injecting the mail into the system as normal 
> (ie by sending an email) then I'm not sure how I'd tell dspam not to 
> train on it. I can see how I might do that from the command line but 
> that doesn't help me test that the mail server is processing spam 
> correctly. But I'm probably missing something!
> 
If the purpose is to test DSPAM functionality, then having a unique recipient 
(lets say its called [EMAIL PROTECTED]) which you reroute to a specific DSPAM 
instance would be trick. I use Postfix and I would just catch the recipient 
([EMAIL PROTECTED]) with a lookup table or pcre/regex table and reroute the 
transport to go to a specific dspam transport. Pretty much the same way as if I 
would setup a spam/ham alias in Postfix for DSPAM. Just this time I would not 
catch ham/spam miss classifications but capture a message intended to produce 
the function test. Do you understand what I mean? (sorry. English is not my 
native language)


> Tony Earnshaw wrote:
> > How many different tokens would OP have to add to catch all virus, 
> > ever, even in the future, that proper AV software already catch?
> >
> > Sorry, but this is flogging a dead horse (as we in the knacker's trade 
> > express it).
> >
> 
> Tony, you're missing the point of what I want to do. I don't want dspam 
> to catch EICAR - that's the job of anti-virus software as you point out.
> 
> I want it to catch something similar (a "fake" spam) so that I can test 
> my dspam installation in the same way I can test my AV install using 
> EICAR. Eg: I can send the EICAR "virus" into or through my mail server 
> in various ways and see what happens. I want to similarly send a test 
> spam through my mail server and confirm (a) that it gets caught, (b) 
> check it's visible through quarantine (for the correct user), (c) check 
> it has correct headers inserted etc, (d) test my mail client for correct 
> routing of received spam as flagged by dspam, (e...) and so on.
> 
> The "wait until a spam is received for that user" approach isn't always 
> ideal! In particular I can't test the spam setup that way until the MX 
> records are pointed at the server so that it starts to collect spam. 
> Also, I could routinely send a welcome message to new users including 
> the "spam signature" which I know would end up in their quarantine and 
> could be part of the user training process that is usually somewhat 
> harder than training dspam itself :-)
> 
> At the moment, the best I can do is use dspam to call clamav, and rely 
> on dspam indirectly quarantining EICAR, but I have some clients who want 
> anti-virus but not anti-spam (and might one day have those who want the 
> reverse).
> 
> -- 
> Mark Rogers // More Solutions Ltd (Peterborough Office) // 0845 45 89 555
> Registered in England (0456 0902) at 13 Clarke Rd, Milton Keynes, MK1 1LG

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