{Disarmed} RE: Watermarking, checking bounced mail withsenderaddress

ACHA | Cor van den Berghe cbe at acha.nl
Fri Jul 9 07:23:16 IST 2010


Hi,

I'm sorry, I included the wrong headers, well not really the wrong headers but not the complete headers, thanks Martin for pointing that out. What I did was I took the header from the web interface in Mailwatch, sorry for the confusion
I've setup procmail to filter out the Delivery status notification mail, as soon as I have a good example I'll post those headers.

Cor.



-----Original Message-----
From: cbe at acha.nl [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of ACHA | Cor van den Berghe
Sent: donderdag 8 juli 2010 11:34
To: MailScanner discussion
Subject: RE: {Disarmed} RE: Watermarking, checking bounced mail withsenderaddress

A question before I check the settings; should MailScanner have checked the message and marked it as spam (or whatever you set in the configuration)?
I mean a message with a header as the one I included in an earlier e-mail

Cor.


-----Original Message-----
From: MailScanner at ecs.soton.ac.uk [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Julian Field
Sent: donderdag 8 juli 2010 11:14
To: MailScanner discussion
Subject: Re: {Disarmed} RE: Watermarking, checking bounced mail with senderaddress

Do remember that you can test the output of your rulesets for specific 
addresses and so on.
Run "MailScanner --help" and it will print the usage for you, which 
includes a tool for printing the result of a configuration setting.

Jules.

On 08/07/2010 10:01, ACHA | Cor van den Berghe wrote:
>
> Hmm…. now that you mention it… It should be after MailScanner checked 
> it, but it looks like they were skipped.
> I'll check the configuration for any rules that might explain why they 
> were not checked
> Thanks!
>
> *From:* maxsec at gmail.com 
> [mailto:mailscanner-bounces at lists.mailscanner.info] *On Behalf Of 
> *Martin Hepworth
> *Sent:* donderdag 8 juli 2010 10:50
> *To:* MailScanner discussion
> *Subject:* Re: Watermarking, checking bounced mail with sender address
>
> Hi
>
> are these headers before or after mailscanner should have checked the 
> message? If it's after then I see indication that mailscanner has 
> scanned the message as there are no X-Mailscanner headers.
>
> On 8 July 2010 09:40, ACHA | Cor van den Berghe <cbe at acha.nl 
> <mailto:cbe at acha.nl>> wrote:
>
> Sorry that I didn't make it clear enough.
>
> I was under the impression that MailScanner does 2 checks before it 
> checks the watermark:
> 1. check if the mail has no sender
> 2. check if the mail is bounced
>
> If these 2 conditions are true than MailScanner checks the watermark.
>
> When I check the mail that has been proccessed by MailScanner I find 
> that some messages which have no sender are marked as spam because 
> MailScanner checked the watermark. On other bounced message, which do 
> have a sender address the watermark is not checked
>
> Below is a header of a bounced message which was not marked as spam 
> and was not send to the person who got the error message
>
> ----------------------------
> Return-Path: <?g>
> Received: from 75-44-14-134.hadlaw.com 
> <http://75-44-14-134.hadlaw.com> (75-44-14-134.hadlaw.com 
> <http://75-44-14-134.hadlaw.com> [75.44.14.134] (may be forged))
>     by standic-ls.standic.lan (8.13.8/8.13.8) with ESMTP id o67FlPaf022789
>     for <kruining at fakecompany.com <mailto:kruining at fakecompany.com>>; 
> Wed, 7 Jul 2010 17:47:26 +0200
> Received: from 75.44.14.134 (*MailScanner warning: numerical links are 
> often malicious:* 75.44.14.134:87288 <http://75.44.14.134:87288>)
>     by rmwlaw.com.inbound15.mxlogic.net 
> <http://rmwlaw.com.inbound15.mxlogic.net> (envelope-from 
> <drollnessnpr76 at rmwlaw.com <mailto:drollnessnpr76 at rmwlaw.com>>)
>     (ecelerity 2.2.2.45 r(34067)) with ECSTREAM
>     id 41/73-73224-F30ZP2Q6; Wed, 7 Jul 2010 11:47:06 -0500
> X-Facebook: from HADXP6 ([LBX2RvMgJV5q])
>     by www.facebook.com <http://www.facebook.com> with HTTP (ZuckMail);
> Date: Wed, 7 Jul 2010 11:47:06 -0500
> To: kruining at fakecompany.com <mailto:kruining at fakecompany.com>
> From: <postmaster at fakecompany.com <mailto:postmaster at fakecompany.com>>
> Reply-to: drollnessnpr76 at rmwlaw.com <mailto:drollnessnpr76 at rmwlaw.com>
> Subject: Delivery Status Notification (Failure)
> Message-ID: 47B7B9EDAC6340DE905D63D452E09AC6 at HADXP6
> X-Priority: 3
> X-Mailer: ZuckMail [version 1.00]
> X-Facebook-Notify: password_reset; mailid=
> Errors-To: drollnessnpr76 at rmwlaw.com <mailto:drollnessnpr76 at rmwlaw.com>
> X-FACEBOOK-PRIORITY: 1
> MIME-Version: 1.0
> Content-Type: multipart/mixed;
> boundary="----------4B7BE4D399338AA1"
> --------------------------------------------------
>
> Again please forgive me if I can't make it more clear but English is 
> not my native language
>
> Regards,
> Cor.
>
>
>
>
> -----Original Message-----
> From: MailScanner at ecs.soton.ac.uk <mailto:MailScanner at ecs.soton.ac.uk> 
> [mailto:mailscanner-bounces at lists.mailscanner.info 
> <mailto:mailscanner-bounces at lists.mailscanner.info>] On Behalf Of 
> Julian Field
> Sent: donderdag 8 juli 2010 10:18
> To: MailScanner discussion
> Subject: Re: Watermarking, checking bounced mail with sender address
>
> Do you mean the From: address or the envelope sender address?
> MailScanner does nothing with the From: address.
>
> On 08/07/2010 07:27, ACHA | Cor van den Berghe wrote:
> > Hi all,
> >
> > As I understand it MailScanner only checks the watermark on bounced 
> email with no sender address. Is it somehow possible to have 
> MaiScanner check the watermark on all bounced email?
> > Lately I get a lot of backscatter mail that have a From: address and 
> I have no idea how to stop it
> > Thanks for any help you can give me
> >
> > Regards,
> > Cor van den Berghe
> >
> >
>
> Jules
>
> --
> Julian Field MEng CITP CEng
>
>
>
> -- 
> Martin Hepworth
> Oxford, UK
>

Jules

-- 
Julian Field MEng CITP CEng
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