advice on anti-spam tools

Kurt Buff kurt.buff at
Tue Apr 3 00:08:04 UTC 2007

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


On 4/2/07, Angelin Lalev <lalev at> 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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