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Re: some spammers sneaking into my greenbox

2001-07-20 21:52:30
On Thu, 19 Jul 2001, Professional Software Engineering wrote:

At 21:51 2001-07-19 +0100, Nancy McGough wrote:
For a long time now, I have been successfully using this recipe

 :0:
 * ? formail -rtzxTo: | fgrep -i -f $PMDIR/greenlist
 in-greenbox

to place messages from people who I correspond with into my
greenbox. Recently some messages that have a From: (and `From ')
header that contain an email address that is *not* in my
greenlist have been delivered to my in-greenbox. One oddity is

formail -xFrom:

would be matching against the From: header.  You are not using this syntax
- you're using the address which a reply would be directed to, which can
often be VERY different.  See the manpage for formail...

particularly since she is also using the t flag.


Here's a suggestion I offer at least once a week in this forum: turn on
verbose logging.

In this case, an easier approach.  Just check the header lines for the
possible addresses, and grep greenlist.  I had the same situation, and it
turned out a spammer was using the same address as one of my regular
correspondants, minus the leading letter.


-- 
Try not to have a good time ... This is supposed to be educational.
                -- Charles Schulz

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