Date: Mon, 2 Apr 2007 17:08:00 -0700 From: "Kurt Buff" <kurt.buff@gmail.com> To: "Angelin Lalev" <lalev@uni-svishtov.bg> Cc: freebsd-questions@freebsd.org Subject: Re: advice on anti-spam tools Message-ID: <a9f4a3860704021708m6d9781ft812536d47e0b995d@mail.gmail.com> In-Reply-To: <0875b56eeca4d320fd9fa7b0d940fce2@uni-svishtov.bg> References: <0875b56eeca4d320fd9fa7b0d940fce2@uni-svishtov.bg>
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Do you receive mail from lists such as this one?
Do you receive mail from non-responding mailboxes, such as network
notificationss, etc.?
Do you care about your new correspondents?
If you answer 'yes' to any of these messages, then a Challenge/Respons
system isn't a good idea for you.
Instead, since you are already using SpamAssassin, and the problem
seems to be image spam, you should probably try installing FuzzyOCR
instead, which is in ports.
# make search name=fuzzyocr
Port: p5-FuzzyOcr-2.3.b_2,1
Path: /usr/ports/mail/p5-FuzzyOcr
Info: Plugin for SpamAssassin which scans image attachments for spam
Kurt
On 4/2/07, Angelin Lalev <lalev@uni-svishtov.bg> wrote:
> Hi List,
>
> My e-mail server is running the latest spamassassin with all of the blacklist enabled and etc.
> but I still receive over 20 spam messages a day ("image" spam mostly).
> The situation with other users may be worse. That's why I was thinking about some tool that
> 1. store incoming email
> 2. send request to the sender of the message, requiring to go to some address and enter the numbers (letters)
> from image
> 3. if the puzzle is solved in time (week or so) deliver the message, otherwise delete it.
>
> Is there such tool(s) ?
>
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