[afrinic-anti-spam-discuss] Deploying SPF

[Hari Kurup]

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Frank Habicht wrote:
> On 10/4/2007 11:57 PM, Hari Kurup wrote:
> A lot of spam uses forged addresses.
> If I don't accept email with forged addresses, I am refusing (this kind of) spam.

Failing an SPF check does not mean that the mail is spam or
illegitimate. The mail that you are throwing away could be coming
through a non-SRS compliant MTA. And how many MTA's on the internet have
implemented SRS?
I think you are running a high risk of rejecting false positives.
- --
Hari
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