Re: I've just found a new and interesting spam source - legitimatebounce messages

2008-10-20 Thread Peter Clark
Paul Schmehl wrote: --On Monday, October 20, 2008 10:11:36 -0700 Jeremy Chadwick <[EMAIL PROTECTED]> wrote: On Mon, Oct 20, 2008 at 11:16:31AM -0500, Paul Schmehl wrote: The best solution *by far* that I have found for spam (using Postfix) is mail/postfix-policyd-weight. It routinely reject

Re: I've just found a new and interesting spam source - legitimatebounce messages

2008-10-20 Thread Paul Schmehl
--On Monday, October 20, 2008 10:11:36 -0700 Jeremy Chadwick <[EMAIL PROTECTED]> wrote: On Mon, Oct 20, 2008 at 11:16:31AM -0500, Paul Schmehl wrote: The best solution *by far* that I have found for spam (using Postfix) is mail/postfix-policyd-weight. It routinely rejects 50 to 70% of incomi

Re: I've just found a new and interesting spam source - legitimatebounce messages

2008-10-20 Thread Jeremy Chadwick
On Mon, Oct 20, 2008 at 11:16:31AM -0500, Paul Schmehl wrote: > --On Monday, October 20, 2008 10:24:28 -0500 "Michael K. Smith - Adhost" > <[EMAIL PROTECTED]> wrote: > >>> >>> Let me know if you do find a reliable, decent solution that does not >>> involve SPF or postfix header_checks or body_che

RE: I've just found a new and interesting spam source - legitimatebounce messages

2008-10-20 Thread Paul Schmehl
--On Monday, October 20, 2008 10:24:28 -0500 "Michael K. Smith - Adhost" <[EMAIL PROTECTED]> wrote: Let me know if you do find a reliable, decent solution that does not involve SPF or postfix header_checks or body_checks. The following doesn't fix the problem but it does help mitigate the d

Re: I've just found a new and interesting spam source - legitimatebounce messages

2008-10-20 Thread Beech Rintoul
On Monday 20 October 2008, Michael K. Smith - Adhost said: > > The term coined for this type of mail is "backscatter". > > > > There is no easy solution for this. The backscatter article on > > postfix.org, for example, caused our mail servers to start > > rejecting mail that was generated from PH

RE: I've just found a new and interesting spam source - legitimatebounce messages

2008-10-20 Thread Michael K. Smith - Adhost
> The term coined for this type of mail is "backscatter". > > There is no easy solution for this. The backscatter article on > postfix.org, for example, caused our mail servers to start rejecting > mail that was generated from PHP scripts and CGIs on our own systems, > which makes no sense. The