Re: Backscatter Email

2011-07-13 Thread Stan Hoeppner
On 7/13/2011 6:47 PM, Reindl Harald wrote: > SOHO or not: ip-addresses in PTR are mostly not real mailservers The operative word here is "mostly". For instance, my outbound: $ dig mx hardwarefreak.com hardwarefreak.com. IN MX 10 greer.hardwarefreak.com. greer.hardwarefreak.com

Re: Backscatter Email

2011-07-13 Thread Reindl Harald
Am 14.07.2011 01:28, schrieb Stan Hoeppner: > On 7/13/2011 3:08 PM, mouss wrote: >> Le 13/07/2011 19:04, motty.cruz a écrit : > >>> Received: from ucmx01.uzuncase.com (66-193-162-90.static.twtelecom.net >>> [66.193.162.90]) > >> you might start with >> /^(\d+\W){4}.*\.twtelecom\.net$/ >>

Re: Backscatter Email

2011-07-13 Thread Stan Hoeppner
On 7/13/2011 3:08 PM, mouss wrote: > Le 13/07/2011 19:04, motty.cruz a écrit : >> Received: from ucmx01.uzuncase.com (66-193-162-90.static.twtelecom.net >> [66.193.162.90]) > you might start with > /^(\d+\W){4}.*\.twtelecom\.net$/ > REJECT generic hostname. please use your ISP or fix

RE: Backscatter Email

2011-07-13 Thread karavelov
- Цитат от motty.cruz (motty.c...@gmail.com), на 13.07.2011 в 20:04 - > Hi All, can anyone advise on how to effectively fight backscatter email. > ... > Any suggestions are welcome, thanks in Advance. > -Motty I have written a TCP table for signing outgoing mails using prvs scheme and a

Re: Backscatter Email

2011-07-13 Thread mouss
Le 13/07/2011 19:04, motty.cruz a écrit : > Hi All, can anyone advise on how to effectively fight backscatter email. > Below a typical header of the tons of backscatter email users get a day > > Return-Path: > X-Original-To: u...@domain.tld > Delivered-To: u...@domain.tld > Received: from host.do

Re: Backscatter Email

2011-07-13 Thread Noel Jones
On 7/13/2011 12:04 PM, motty.cruz wrote: > Hi All, can anyone advise on how to effectively fight backscatter email. > Below a typical header of the tons of backscatter email users get a day > Start here: http://www.postfix.org/BACKSCATTER_README.html Since you're using amavisd-new, investigate t

Re: Backscatter email

2009-10-30 Thread j debert
Matt Richards さんは書きました: > Hello, > > I just want to check up on something ... > > I run my own mail servers, using postfix and a few years ago I use to > get quite a lot of backscatter due to spam messages being sent out with > forged from addresses. > > Today I still run my own mail server but

Re: Backscatter email

2009-10-30 Thread /dev/rob0
On Fri, Oct 30, 2009 at 08:51:08AM +, Matt Richards wrote: > Does anybody know what happened? Have servers just been > reconfigured to not send backscatter from spam? Here in the YMMV department ... My little server hosts a few small Free Software community projects, one of which is a small (

Re: Backscatter email

2009-10-30 Thread lst_hoe02
Zitat von Wietse Venema : Matt Richards: Hello, I just want to check up on something ... I run my own mail servers, using postfix and a few years ago I use to get quite a lot of backscatter due to spam messages being sent out with forged from addresses. Today I still run my own mail server b

Re: Backscatter email

2009-10-30 Thread Wietse Venema
Matt Richards: > Hello, > > I just want to check up on something ... > > I run my own mail servers, using postfix and a few years ago I use to > get quite a lot of backscatter due to spam messages being sent out with > forged from addresses. > > Today I still run my own mail server but I don't s