On Feb 25, 8:32am, psmith(_at_)oakland(_dot_)edu wrote:
Subject: A (possibly) novel way of dealing with spam/UBE
I'm sure spam filtering is not a new topic to this group, but the method
I'm currently using might be. I'll breifly state the idea below along
with some issues I have yet to solve. Your comments would be appreciated.
--snip--
I'm in the process of implementing a scheme which:
- Accepts mail if from a recognized source
- Bounces all other mail back, with a rejection letter attached
explaining how to become a "recognized" source (basically resend
the message with a special keyword in the subject). Optionally
logs the action for future reference.
Hi,
I have a system for people who are mailing form systems or netblocks
that I've blocked. The block message gives them the password, and the handling
of the password is shown below. I locate this at the top of my .procmailrc.
It's usefull for allowing people in from domains like hotmail, but I
think that going with a full white list is excessive.
Blacklist = people on the list are bounced.
Whitelist = people not on the list are bounced.
text follows:
======================================================
# This one sees if someone hwo has a magic cookie has already been
# entered. If so, tell them that they are in.
:0c
* ^Subject:.*givematthewgsaroffacookie
* ]^X-Loop: msaroff(_at_)pca\(_dot_)net
* ? (formail -xFrom:) ! fgrep -i -f $GOLIST
! (formail -r \
-A "X-Loop: msaroff(_at_)pca(_dot_)net" \
-A "Precedence: junk"; \
echo "Hi,";\
echo " In my last message, I said that you would be AUTOMATICALLY";\
echo "added to the approved list if you sent a message with the";\
echo "password.";\
echo " Well, you have been added, so you don't have to use the";\
echo "password any more.";\
echo " ";\
echo "--Matthew Saroff";) ! $SENDMAIL -t -oi
:0c:
* ^Subject:.*givematthewgsaroffacookie
* ]^X-Loop: msaroff(_at_)pca\(_dot_)net
* ] ? formail -xFrom: ! fgrep -i -f $GOLIST
!formail -rtzxTo: >> $GOLIST
# This will send anything with my magic ccookie directly to my
# inbox
:0:
* ? (formail -xFrom:) ! fgrep -i -f $GOLIST
$DEFAULT
--
--
Matthew Saroff
Do not reply directly to this message. Reply to
msaroff(_at_)pobox(_dot_)com