[CentOS] dealing with spoofing
Ned Slider
ned at unixmail.co.uk
Fri Sep 2 04:53:01 UTC 2011
On 01/09/11 22:10, Always Learning wrote:
>
> On Thu, 2011-09-01 at 12:43 -0700, Scott Silva wrote:
>
>> I get TONS of spam with legitimate DKIM signatures...
>
> How is that possible ?
>
Because spammers know how to sign their email with DKIM signatures too,
same as spammers can set an SPF record in DNS.
These are NOT specifically anti-spam techniques, they are designed to
prevent forgeries, not spam per se.
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