OSEC

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A Question About "check_client_access"

From: Rich Shepard (rshepardappl-ecosys.com)
Date: Wed Oct 12 2005 - 08:21:42 CDT

   I have a restriction map of IP addresses I want rejected. They are invoked
within /etc/postfix/main.cf with 'check_client_access
hash:/etc/postfix/badip'. Over the past couple of days, spam has made it into
my inbox despite having an IP address in a block listed in that file. The
address is always the one from which my MTA received it, not earlier in the
transmission sequence.

   Not all checks on this file fail, only some do. I'd like to understand why
some messages are not rejected when the address falls within a block that's
an entry in the file.

   All ideas appreciated.

Rich

--
Dr. Richard B. Shepard, President | Author of "Quantifying Environmental
Applied Ecosystem Services, Inc. (TM) | Impact Assessments Using Fuzzy Logic"
<http://www.appl-ecosys.com> Voice: 503-667-4517 Fax: 503-667-8863