On Wed, 2003-03-05 at 11:02, Todd Lyons wrote:
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> Hash: SHA1
>
> Scott, I'm sending this to the expert mailing list and bcc'ing you to
> protect your email address.
>
> Scott St. John wrote on Wed, Mar 05, 2003 at 01:15:43PM -0500 :
> >
> > I run an ISP and we have a spam problem so I was looking for ways to
> > block some of these jerks. I have SpamAssassin on the server, but
> > they are still getting past it so I was thinking that iptables would
> > stop them and take some load off Sendmail doing the reject messages.
> > I am going to start doing that today.
>
> Try this on for size:
>
> [EMAIL PROTECTED] ~]# useradd missed-spam
> (don't set a password for it though)
>
> [EMAIL PROTECTED] ~]# crontab -l | grep spam
> 30 */2 * * * /root/bin/learn_spam
>
> [EMAIL PROTECTED] ~]# cat /root/bin/learn_spam
> #!/bin/bash
>
> for MISSEDSPAM in /var/spool/mail/missed-spam \
> /home/todd/mail/missed-spam
> do
> if [ -s ${MISSEDSPAM} ]; then
> sa-learn --spam --mbox ${MISSEDSPAM} && \
> > ${MISSEDSPAM} && \
> echo "Truncated mail spool: ${MISSEDSPAM}"
> fi
> done
>
> The script looks in two places to "learn" what messages are spam.
> 1) Anything that appears in the missed-spam inbox is spam. In my case,
> I can use mutt's "bounce" feature to bounce mails directly to the
> [EMAIL PROTECTED] email address.
> 2) I use imap to access mail at another site. When I get spam to that
> site, I just move it to my personal mail into a folder named
> "missed-spam" which is then located at /home/todd/mail/missed-spam (in
> MBOX format, ie one long file, same as /var/spool/mail/*). I have to
> use imap for this purpose and not bounce it to the missed-spam user
> because my imap client does not have that capability, though I could use
> mutt in imap mode. I might set that up one day, but if I'm using imap,
> I prefer it to be a GUI.
>
> On the above server, I'm running SpamAssassin 2.50.
>
> Blue skies... Todd
One curiosity... has anyone tried the spam killer talked about in the
last issue of Linux magazine? It apparently "learns" about spam and is
able to dynamically block it, as the idgits get more and more creative.
James
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