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Re: new spam filtering rule

2005-06-28 14:27:11
On Tue, 28 Jun 2005, Professional Software Engineering wrote:

PSE> I realize most spam is from .com, but the point is that many .com users may
PSE> not generally receive a lot of mail from .xx, and therefore, that small
PSE> segment of their spam can be better classified as iffy by inclusion of this
PSE> check.  No single check is going to thwart all spam.

I guess you need to use what works for you.  But I couldn't help thinking 
"Most crime in England is committed by English people but I don't know 
many Americans so I better classify them all as iffY"  It's the start of 
really bad thinking, both morally and internetally.

PSE> I'm operating on the email addresses.  The TLDs used often bear no
PSE> relationship to the origin IP.  Examining just a small number of recent
PSE> messages, I see .es and .nl coming from korean IP space, .ch from verizon
PSE> (in the US), .au from alltel (in the US).  Of the handful I just checked,
PSE> not a one comes from IP space even remotely connected with the country the
PSE> message is claimed to be from.


Oh dear, I have an Ascension Island tld in UK ip space.

-- 
Alan


( Please do not email me AS WELL as replying to the list.  Please 
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