[Bug 3553] New: PerMsgStatus.pm problem with subject rewrite if Spam

[bu...@bugzilla.spamassassin.org]

http://bugzilla.spamassassin.org/show_bug.cgi?id=3553

           Summary: PerMsgStatus.pm problem with subject rewrite if Spam
           Product: Spamassassin
           Version: SVN Trunk (Latest Devel Version)
          Platform: All
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Libraries
        AssignedTo: spamassassin-dev@incubator.apache.org
        ReportedBy: mlist-mail@esosoft.com


I'm using the 3.000000-pre1 version on FreeBSD 4.7 with exim 4.30 but without 
the exiscan patch.

The problem occurs if SA detects Spam, but that Spam basically only contains 
received headers and no body content and no other headers. I have set the 
rewrite_header configuration variable to the following value:

rewrite_header Subject *****SPAM*****
report_safe 1

(It does not happen with report_safe 0). I haven't tried it with report_safe 2.

Here is an example of one of the spam messages which I am getting:

Received: from ool-4352def6.dyn.optonline.net ([67.82.222.246])
        by eagle.esosoft.net with smtp (Exim 4.30)
        id 1Bf40G-000Pdy-2e
        for mlist-mail@esosoft.com; Mon, 28 Jun 2004 14:49:28 -0700
Received: from 92.214.167.90 by 67.82.222.246; Mon, 28 Jun 2004 20:42:37 -0200

If you run this one through SA it does not matter if it goes through spamd or 
the standard spamassassin the modified message will look like this:

>>>>>>>>>>>>>>>
Received: from localhost by zebra.esosoft.net
        with SpamAssassin (version 3.0.0-pre1);
        Mon, 28 Jun 2004 17:07:53 -0700
Subject: *****SPAM***** X-Spam-Flag: YES
X-Spam-Checker-Version: SpamAssassin 3.0.0-pre1 (2004-06-19) on 
        zebra.esosoft.net
X-Spam-Status: Yes, score=9.1 required=5.0 tests=HELO_DYNAMIC_OOL,
        MISSING_DATE,MISSING_HEADERS,MISSING_SUBJECT,RCVD_BY_IP,
        RCVD_DOUBLE_IP_SPAM,RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_DSBL,
        RCVD_IN_NJABL_DUL,RCVD_IN_SORBS_DUL autolearn=disabled 
        version=3.0.0-pre1

<<<<<<<<<<<<

I skipped the rest of the message as it is not important.

Notice the subject header has the following value:

Subject: *****SPAM***** X-Spam-Flag: YES

The "X-Spam-Flag: YES" should be in the next line by itself which means if you 
check for that header if it is spam or not the message will go through.

It has the same problem if you include a message id under the received lines 
the only thing which happens is that the subject line will look now:

Subject: *****SPAM***** Message-ID: <ex...@hostname.com>

If you apply the patch which I've included the problem is fixed. I don't know 
if that is the best solution I just took it from the previous SA version 2.63.

I also applied it to the From and To header re-writes, but I haven't actually 
tested it if there is the same problem.



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