We give list owners the option of blocking all email arriving from
the outside Internet. The majority, having only subscribers inside
the College, choose to do this. This is implemented by a custom rule
at our spam filtering provider, Proofpoint.
We have found this technique to be essentially 100% effective for
those lists. Subscribers who insist on forwarding their email to an
outside ISP can still post to lists using our internal email web
client via the Portal. Some don't like that, but they don't like spam either.
At 06:03 AM 10/4/2009, you wrote:
On 3-Oct-2009, at 23:22, Khalil Abbas wrote:
> common people MUST be educated about this!! so if we kill 10% of the
> spam going on it will be a big achievement!
I kill about 98% of the spam reaching my server and spam is still a
pretty big problem.
--
My mind is going. There is no question about it. I can feel it. I can
feel it. I can feel it. I'm... afraid.
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Portland Community College, Portland, OR, USA (503) 977-4368
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