On 14.10.16 16:26, Bowie Bailey wrote:
On the other hand, SA is a points-based system. If you checked SPF
based on the From header, you could then whitelist known list servers
and other exceptions and add a point or so to the rest. If you set
the score at 0.001 and monitored the non-spam hits for a while, you
could probably come up with a pretty good list of exceptions before
upping the score. (Of course this assumes you are in a position
where you can legally look at the messages passing through your
system.)
It could be helpful, or there could be too many exceptions to be
useful. I'd say it's worth a try to see what happens.
I can immediately guess this rule would need way too many exceptions to be
useful. And when anyone in the world subscribed to any list, it would need
an exception.
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