Spam sneaking through mail action rules

Julian Field mailscanner at ecs.soton.ac.uk
Tue Oct 7 10:21:17 IST 2003


Please search the mailing list archive for "queue groups".

At 03:55 07/10/2003, you wrote:
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>Hash: SHA1
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>
>Hi folks,
>
>         I'm experiencing something that I'm hoping can be worked around.
>I've implemented a mail gateway using MailScanner-4.23-11 and postfix as
>MTA.
>
>         With the recent Sobig's and such, the Administration decided to
>finally allow me to filter spam at the gateway - so long as users could opt
>out. No problem, I collected the names of those folks that wished to opt out
>and built a ruleset that looks something like this:
>
>To:     optoutuser1 at foo.com     deliver
>To:     optoutuser2 at foo.com     deliver
>To:     default delete
>
>         Problem is, that while this has decreased the amount of spam that
>makes it to the user, it doesn't eliminate all of it because if a message
>that has multiple recipients has one of the opt out users in the list, it
>gets delivered to all recipients no matter what. From what I can tell about
>20% of our spam marked mail contains multiple recipients with an opt out
>user on it.
>
>         Is there a means to ensure that mailscanner will deliver the mail to
>the recipients that opt out of mail filtering?
>
>Thanks in advance,
>John
>
>John Matney
>Network/Systems Analyst
>Post-Tribune Publishing
>1433 E 83rd Ave
>Merrillville IN 46342
>(219) 648-3089
>
>GPG Key: 0x88ee7695
>http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x88EE7695
>Key fingerprint = DBD7 6AE2 E7BE 1572 B245  BF54 4913 C85A 88EE 7695
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--
Julian Field
www.MailScanner.info
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PGP footprint: EE81 D763 3DB0 0BFD E1DC  7222 11F6 5947 1415 B654



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