Re: how to stop backscatter without check headers

[Jeroen Geilman]

On 06/11/2010 12:44 AM, motty.cruz wrote:

Is there a best way to stop backscatter spam without using check headers? Traffic is too heavy to user check headers + we received email for three different domains.

Using postfix 2.6.

Thanks,

motty

To stop backscatter spam, don't accept mail you cannot deliver.
Header_checks are trivially spoofed.

J.