Re: rejecting an invalid return path

2009-12-07 Thread Victor Duchovni
On Mon, Dec 07, 2009 at 11:10:15AM +0100, Raffael Schmid wrote: > The problem is, that we get spam with a header-line like the following > and would like to reject those messages: > Return-Path: Almost certainly the actual envelope sender was "MAIL FROM:<>", and the "MAILER-DAEMON" was created d

Re: rejecting an invalid return path

2009-12-07 Thread Noel Jones
On 12/7/2009 4:10 AM, Raffael Schmid wrote: Hi list Do you know whether there is a possibility to reject invalid return paths in postfix? The problem is, that we get spam with a header-line like the following and would like to reject those messages: Return-Path: AFAIK the return-path above is

Re: rejecting an invalid return path

2009-12-07 Thread Wietse Venema
Raffael Schmid: > Hi list > > Do you know whether there is a possibility to reject invalid return > paths in postfix? > > The problem is, that we get spam with a header-line like the following > and would like to reject those messages: > Return-Path: > > AFAIK the return-path above is invalid,

Re: rejecting an invalid return path

2009-12-07 Thread Raffael Schmid
Hi Stan Hoeppner wrote: >> The problem is, that we get spam with a header-line like the following >> and would like to reject those messages: >> Return-Path: > > http://www.postfix.org/BACKSCATTER_README.html Already read this and I also would know how to do this. But I thought maybe this is c

Re: rejecting an invalid return path

2009-12-07 Thread Stan Hoeppner
Raffael Schmid put forth on 12/7/2009 4:10 AM: > Hi list > > Do you know whether there is a possibility to reject invalid return > paths in postfix? > > The problem is, that we get spam with a header-line like the following > and would like to reject those messages: > Return-Path: http://www.po

rejecting an invalid return path

2009-12-07 Thread Raffael Schmid
Hi list Do you know whether there is a possibility to reject invalid return paths in postfix? The problem is, that we get spam with a header-line like the following and would like to reject those messages: Return-Path: AFAIK the return-path above is invalid, as there is only the following forma