Remove headers before MailScanner

Dave Gattis mailscanner at romehosting.com
Tue Oct 23 14:08:36 IST 2012


According to mailwatch, here's all the listed headers:

Received: from mail1.domain1.com (mail1.domain1.com [XX.XXX.XXX.XX])
      by domain1.com (Postfix) with ESMTP id D30D01C100FB
      for <dave.gattis at domain2.com>; Tue, 23 Oct 2012 08:48:31 -0400 (EDT)
Received: from  mail2.domain1.com ([ffff::aaaa:8888:bbbb:7777]) by
mail2.domain2.com ([ffff::aaaa:8888:bbbb:7777]) with Microsoft SMTP Server id
14.01.0355.002; Tue, 23 Oct 2012 14:48:25 +0200
From: Dave Gattis <dave.gattis at hotmail.com>  <-- MailScanner/MailWatch
ignores this line
To: Dave Gattis <dave.gattis at domain1.com>
Subject: test for mailscanner group
Date: Tue, 23 Oct 2012 12:48:40 +0000
Message-ID: <b4339c5b9c53472eae950d4ff046d840 at mail2.domain1.com>
Resent-From: <dave.gattis at domain1.com>  <-- MailScanner/MailWatch
considers this line to be the sender
Content-Type: multipart/alternative;
      boundary="_000_b4339c5b9c53472eae950d4ff046d840mail2domain1com_"
MIME-Version: 1.0

MailWatch's recent messages tab displays the message like this, only in
column format:


Date/Time:
23/10/12
08:48:33

From:
dave.gattis at domain1.com  (needs to be dave.gattis at hotmail.com)

To:
dave.gattis at sdomain2.com

Subject:
test for mailscanner group

Size
2.2Kb

SA Score
-1.02

Status
Clean


-- 
Dave Gattis


> Mailwatch uses the "envelope-from" to display in the list.
>
> On 23 October 2012 12:58, Dave Gattis <mailscanner at romehosting.com> wrote:
>
>> Let me see if I can explain this properly:
>>
>> a at hotmail.com sends to b at mydomain1.com.
>>
>> a rule exists at mydomain1.com to redirect to c at mydomain2.com, therefore
>>
>> a at hotmail.com arrives safely c at mydomain2.com.
>>
>> When opening the email, it looks like this:
>>
>> From: a at hotmail.com
>> To: b at mydomain1.com
>>
>> This is exactly what I want and works perfectly in any mail client.
>>
>> Unfortunately, when you look at the list of messages MailScanner has
>> processed (using the MailWatch frontend), every message, no matter who
>> from looks like this:
>>
>> From: b at mydomain1.com
>> To: c at mydomain2.com
>>
>> This renders white/blacklisting useless, and subject lines are the only
>> clues available for releasing SPAM.  When looking at the raw headers,
>> the
>> redirect is adding a "Resent-From" header which I believe is overriding
>> the "From" header.
>>
>> No matter what is received, MailScanner is basing some of it's decisions
>> on the "Resent-From" address which lowers the score for all messages.
>>
>> This is what happens when corporations make poor decisions.
>> Unfortunately, I am forced to find a workaround for it.
>>
>> Thanks,
>> --
>> Dave Gattis
>>
>>
>> > Le 22/10/2012 15:26, Dave Gattis a écrit :
>> >> Each message is stamped with "Resent-From" and "Return-Path" of the
>> >> redirecting address.  I can strip those headers out, after
>> MailScanner,
>> >> but really need them removed before.
>> >
>> > Why do you really need them removed? If it's just for spamassassin,
>> you
>> > can use bayes_ignore_header in your local.cf file.
>> >
>> > John.
>> >
>> > --
>> > -- Over 5000 webcams from ski resorts around the world -
>> www.snoweye.com
>> > -- Translate your technical documents and web pages    - www.tradoc.fr
>> > --
>> > MailScanner mailing list
>> > mailscanner at lists.mailscanner.info
>> > http://lists.mailscanner.info/mailman/listinfo/mailscanner
>> >
>> > Before posting, read http://wiki.mailscanner.info/posting
>> >
>> > Support MailScanner development - buy the book off the website!
>> >
>>
>>
>> --
>> MailScanner mailing list
>> mailscanner at lists.mailscanner.info
>> http://lists.mailscanner.info/mailman/listinfo/mailscanner
>>
>> Before posting, read http://wiki.mailscanner.info/posting
>>
>> Support MailScanner development - buy the book off the website!
>>
> --
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
>
> Before posting, read http://wiki.mailscanner.info/posting
>
> Support MailScanner development - buy the book off the website!
>




More information about the MailScanner mailing list