[Mailman-Users] Getting caught by SPAM Filters because of Mailman handoff

Lloyd F. Tennison lloyd_tennison at whoever.com
Sat Apr 24 20:00:11 CEST 2004


How did you change the configuration to accomplish that, please.

Copies to:      	mailman-users at python.org, mailman-developers at python.org
From:           	Richard Barrett <r.barrett at ftel.co.uk>
Subject:        	Re: [Mailman-Users] Getting caught by SPAM Filters because of Mailman handoff
Date sent:      	Sat, 24 Apr 2004 18:16:55 +0100
To:             	lloyd_tennison at whoever.com

> On 24 Apr 2004, at 02:10, Lloyd F. Tennison wrote:
> 
> > Companies are now starting to block Mailman lists (among others)
> > because of the way the headers are sent out stating the hand-off to
> > the server:
> >
> > Received: from localhost.localdomain ([127.0.0.1]
> > helo=mail.python.org)
> > 	by mail.python.org with esmtp (Exim 4.22)
> > 	id 1BH7Kx-0001vz-7S; Fri, 23 Apr 2004 16:31:51
> > -0400
> >
> >
> > Anything with that format - they are marking as "probable SPAM"
> >
> > Any thoughts on how to zap?
> >
> 
> Although I run the outgoing MTA and Mailman on the same machine, my 
> Mailman SMTP configuration tells it not to address the MTA using 
> localhost (127.0.0.1) but by the FQDN and IP number which appears in 
> our globally published MX record for that server. Thus the Received: 
> header added by the outbound MTA at this juncture refers to reception 
> form a host (itself) which is resolvable via DNS to an MX record by 
> MTAs which subsequently handle the message. In that respect, it is thus 
> fairly indistinguishable from other Received: headers that precede and 
> follow it.
> 
> Would this be avoid triggering the approach in anti-spam measures you 
> refer to?
> 
> > Also, as I mine is an announce only list - it would be nice to be able
> > to zap the other received from headers and show the message as
> > coming directly from the server. One webmail program does it - but
> > it cannot send HTML.
> >
> > Received: from localhost.localdomain ([127.0.0.1]
> > helo=mail.python.org)
> > 	by mail.python.org with esmtp (Exim 4.22)
> > 	id 1BH7Kx-0001vz-7S; Fri, 23 Apr 2004 16:31:51
> > -0400
> > Received: from mydomain.com ([111.111.11.111])
> > 	by mail.python.org with esmtp (Exim 4.22) id
> > 1BH7Ko-0001tP-Ph
> > 	for mailman-users at python.org; Fri, 23 Apr 2004
> > 16:31:42 -0400
> >
> >
> > BTW - usim exim as MTA.
> >
> >
> >
> > Thanks.
> >
> > Lloyd F. Tennison
> > lloyd_tennison at whoever.com
> >
> > No trees were harmed in the transmission of this
> > message.
> > However, a rather large number of electrons were
> > temporarily
> > inconvenienced.
> 


Thanks.

Lloyd F. Tennison
lloyd_tennison at whoever.com

No trees were harmed in the transmission of this message.
However, a rather large number of electrons were temporarily
inconvenienced.





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