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Skip anti virus filter [message #1446] Fri, 19 May 2006 10:42
jmc
Messages: 2
Registered: May 2006
Junior Member
Hello.
My filters' order is attachement-delay-spamassasin-antivirus

Is there a possibility to skip the last filter if the mail is detected as spam?

Thanks for you answer.



jmc
Re: Skip anti virus filter [message #1447 is a reply to message #1446] Fri, 19 May 2006 10:59 Go to previous message
support
Messages: 918
Registered: April 2004
Senior Member
> Hello.
> My filters' order is attachement-delay-spamassasin-antivirus
>
> Is there a possibility to skip the last filter if the mail is
> detected as spam?

We recommend this NoSpamToday! filter chain:
1) Attachment Blocker
2) Delay Filter
3) AntiVirus Filter
4) SpamAssassin Filter



Customer Support
Byteplant GmbH
Re: Skip anti virus filter [message #1448 is a reply to message #1446] Fri, 19 May 2006 12:11 Go to previous message
jmc
Messages: 2
Registered: May 2006
Junior Member
It would be nice to have the option to skip the anti-virus test as the spam mail is not distributed anyhow. This would free some server resources.

Filter chain could be broken adn filter skipped , depending from the result of previous filter. Might it be an option for the next update?

Thanks for answering.



jmc
Re: Skip anti virus filter [message #1449 is a reply to message #1446] Sat, 20 May 2006 20:29 Go to previous message
Heidner
Messages: 121
Registered: February 2005
Senior Member
You could move the spam filter check in front of the anti-virus check. That would act as you have requested. (as you apparenly have done) If identified as spam you should be able to set the filter to reject-delete and it would not be checked by the anti-virus software.

But there are reasons for checking before doing the spam check. One is that some of the ant-virus programs (CLAM-AV for example) can follow URL's in the e-mail and detect phishing and links to trojan sites. This stops the mail before even spam checking it.

Also there is always a concern that at some point in time a hacker exploit might be created for spamassassin that allows the remote execution by a virus or worm. Not likely to happen - but checking the e-mail with anti-virus software first significantly reduces that possibility of that happening.
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