SPF

[Jan-Peter Koopmann]

> the SPF option, SA is just too damned slow on these servers, that cop
> a thrashing. 

What is your throughput? I know SA is a performance drag but usually
people (even big ISPs) can live with its performance. Moreover SA3 is
supposed to be a lot faster.

Do the SPF checks at MTA level. If you don't, how do you MailScanner (or
anything else) expect to treat SPF? SpamAssassin assigns scores to it if
you choose but since you are not using SpamAssassin you are probably
faced with either blocking SPF-failures at MTA level or not achieving
anything at all. Are you not?

Regards,
  JP

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