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Posted to dev@spamassassin.apache.org by bu...@bugzilla.spamassassin.org on 2008/11/21 12:02:50 UTC

[Bug 6021] New: dbg: received-header: relay 92.104.118.79 trusted? yes=incorrect

https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6021

           Summary: dbg: received-header: relay 92.104.118.79 trusted?
                    yes=incorrect
           Product: Spamassassin
           Version: 3.1.7
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Plugins
        AssignedTo: dev@spamassassin.apache.org
        ReportedBy: spamassassin@aha4adsl.nl


sample message
---------------------------------------------------------------------------
Received: from sdcd (unknown [92.104.118.79])
        by smtp.myservername.nl (Postfix) with ESMTP id 913F2150001B;
         Thu, 20 Nov 2008 13:05:48 +0100 (CET)
Received: from sdcd by mx3.earthlink.net; Thu, 20 Nov 2008 13:05:48 +0100
Subject: test
not working
-------------
result RELAY_CH recognition from 

header    RELAY_CH X-Relay-Countries=~/\bCH\b/
describe  RELAY_CH Relayed through SWITZERLAND 
score     RELAY_CH 4

RELAY_CH is not found in Xlines

no X-Spam-status lines are reported in spamassassin  -D <spam3.txt  >spam3a.txt
2>spam3b.txt

detail debugging
[4653] dbg: dns: looking up PTR record for '92.104.118.79'
[4653] dbg: dns: PTR for '92.104.118.79': '79-118.104-92.cust.bluewin.ch'
[4653] dbg: received-header: parsed as [ ip=92.104.118.79
rdns=79-118.104-92.cust.bluewin.ch helo=sdcd by=smtp.aha4adsl.nl ident=
envfrom= intl=0 id=913F2150001B auth= ]
[4653] dbg: dns: looking up A records for 'smtp.myservername.nl'
[4653] dbg: dns: A records for 'smtp.myservername.nl': 192.168.0.3
[4653] dbg: dns: looking up A records for 'smtp.myservername.nl'
[4653] dbg: dns: A records for 'smtp.myservername.nl': 192.168.0.3
[4653] dbg: received-header: 'by' smtp.myservername.nl has private IP
192.168.0.3
[4653] dbg: received-header: 'by' smtp.myservername.nl has no public IPs
[4653] dbg: received-header: relay 92.104.118.79 trusted? yes internal? no
last line trusted? yes is WRONG
------------------------------------------------------------------------------

working is :

Received: from sdcd (unknown [92.104.118.79])
        by smtp.myservername.nl (Postfix) with ESMTP id 913F2150001B;
         Thu, 20 Nov 2008 13:05:48 +0100 (CET)
Received: from [92.104.118.79] by mx3.earthlink.net; Thu, 20 Nov 2008 13:05:48
+0100
Subject: test
working fine

X-Spam-Status: Yes, score=11.3 required=5.0 tests=MISSING_HB_SEP,
        MISSING_HEADERS,RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_XBL,RELAY_CH,
        TO_CC_NONE autolearn=disabled version=3.1.7-deb

[4653] dbg: received-header: parsed as [ ip=92.104.118.79
rdns=79-118.104-92.cust.bluewin.ch helo=sdcd by=smtp.sampleserver.nl ident=
envfrom= intl=0 id=913F2150001B auth= ]
[4653] dbg: dns: looking up A records for 'smtp.sampleserver.nl'
[4653] dbg: dns: A records for 'smtp.sampleserver.nl': 
[4653] dbg: dns: looking up A records for 'smtp.sampleserver.nl'
[4653] dbg: dns: A records for 'smtp.sampleserver.nl': 
[4653] dbg: received-header: relay 92.104.118.79 trusted? no internal? no

last line trusted? yes is RIGHT


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[Bug 6021] dbg: received-header: relay 92.104.118.79 trusted? yes=incorrect

Posted by bu...@bugzilla.spamassassin.org.
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6021


Ron Groen <sp...@aha4adsl.nl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |dns




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[Bug 6021] dbg: received-header: relay 92.104.118.79 trusted? yes=incorrect

Posted by bu...@bugzilla.spamassassin.org.
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6021





--- Comment #1 from Matt Kettler <mk...@verizon.net>  2008-11-21 03:25:58 PST ---
If you don't want SA to trust 92.104.118.79, or other machines dropping mail
off at smtp.myservername.nl you need to manually configure trusted_networks.

See the article on this topic in the wiki:

http://wiki.apache.org/spamassassin/TrustPath


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[Bug 6021] dbg: received-header: relay 92.104.118.79 trusted? yes=incorrect

Posted by bu...@bugzilla.spamassassin.org.
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6021


Matt Kettler <mk...@verizon.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




--- Comment #2 from Matt Kettler <mk...@verizon.net>  2008-11-22 21:08:13 PST ---
I'm going to mark this as invalid, as it's a well documented limitation of the
auto-guessing code, and one that's not really fixable in any way that has come
up over the past several years. 

You can reverse the default assumption about the first routeable IP, but that
just breaks the trust mechanism for a different set of users. Those users end
up with under-trust which causes just as many problems as over-trust.

About the only thing we could do here is offer a config option to flip the
assumption. However that only makes fixing it easier, it doesn't change that
the admin will need to recognize they have this problem to deal with.

Other bugs worth referencing:

https://issues.apache.org/SpamAssassin/show_bug.cgi?id=3695

If there's any real issues, please post them and reopen it.


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