Dang! That's still not right.
This should be the right logic:
1. OR-ing the list domains that discuss spam
2. AND-ing the fact the Bayes learned the message
3. Execute a forget!
## Unlearn messages from postfix and spamassassin lists to stop Bayes
poisoning.
:0 ## Test the NOTs
* ! [EMAIL PROTECTED]
* ! ^TO_postfix-users@(postfix.org|cloud9.net)
{ } ## This evaluates to skip
:0 E ## If above rule is false, this is triggered, executing the OR logic
* ^X-Spam-Status:.*autolearn=(h|sp)am
{ ## If Bayes autolearned, forget the message...
LOG="Forgetting Bayes Poison${NL}"
:0 ci
| /usr/bin/sa-learn --forget
}
<<Dan>>
| -----Original Message-----
| From: Smart,Dan
| Sent: Friday, December 05, 2003 12:46 PM
| To: [EMAIL PROTECTED]
| Subject: RE: [SAtalk] SA-Talk poisoning Bayes
|
| Since this is not a delivering recipe (not to a file or pipe)
| I don't need to clone (I think!) Also, I'm not using
| extracted matches for anything so take out '\/'
| extraction operator
| Here's updated code...
|
| -------- procmailrc ---------
|
| ## Unlearn messages from postfix and spamassassin lists to
| stop Bayes poisoning.
| :0
| * ! ^X-Spam-Status:.*autolearn=ham
| * ! [EMAIL PROTECTED]
| * ! ^TO_postfix-users@(postfix.org|cloud9.net)
| { } ## This evaluates to skip
| :0 E ## If above rule is false, this is triggered, executing
| the OR logic
| { ## Make sure I note this triggering in the procmail log
| LOG="${NL}Forgetting Bayes Poison${NL}"
|
| :0 ci
| | /usr/bin/sa-learn --forget
| }
|
| <<Dan>>
|
|
|
|
| | -----Original Message-----
| | From: Smart,Dan
| | Sent: Friday, December 05, 2003 8:47 AM
| | To: [EMAIL PROTECTED]
| | Subject: RE: [SAtalk] SA-Talk poisoning Bayes
| |
| | How does this look for a way to "un-poison" SA-Talk:
| | It uses the Procmail "OR" scheme of checking for the
| failure of ANDed
| | negation.
| |
| | --- procmailrc ---
| | :0 c
| | * ! ^X-Spam-Status:.*autolearn=ham
| | * ! ^TO_\/[EMAIL PROTECTED]
| | * ! ^TO_\/postfix-users@(postfix.org|cloud9.net)
| | { } # This evaluates to an Or statement :0 Ec
| | | /usr/bin/sa-learn --forget
| |
| | -------------------
| |
| | Not sure if I need to clone,
| |
| | <<Dan>>
| |
| |
| |
| |
| | | -----Original Message-----
| | | From: Matt Kettler [mailto:[EMAIL PROTECTED]
| | | Sent: Thursday, December 04, 2003 10:22 AM
| | | To: Smart,Dan; [EMAIL PROTECTED]
| | | Subject: Re: [SAtalk] SA-Talk poisoning Bayes
| | |
| | | At 11:06 AM 12/4/2003, Smart,Dan wrote:
| | | >In reading the sa-learn man file, it says running
| | | discussions of spam
| | | >through sa-learn is bad. Does SA take this into account
| | already, or
| | | >should I create a procmail rule to bypass SA for messages
| | | from SATalk
| | | >and
| | | >(possibly) Postfix-List ?
| | |
| | | SA's bayesian system does not take into account where email comes
| | | from.
| | |
| | | So, you might want to consider creating a procmail bypass
| if you're
| | | concerned about poison.
| | |
| | | That said, I do run sa-talk through spamassassin here, and
| | haven't had
| | | too much trouble, however my autolearn thresholds are set a
| | bit wider
| | | apart than most.
| | |
| | | I do avoid sa-talk, razor-users, sa-dev, etc when setting up my
| | | training however.
| | |
| |
| |
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