Spam - 12/8/06
I've been getting a lot of spam email lately. Either that or I've suddenly become incredibly interested in stock tips and penile enlargement and don't remember signing up for 45 email lists.

The spam filter that I use delivers these messages to my inbox, but tags them as spam, and explains why it thinks so. This raises the question of why it would still deliver them if it knows they're spamů but that's another issue. Perhaps I need a new spam filter, or learn how to use this one better.

One interesting benefit of this procedure, however, is that I get to learn exactly what makes a spam message spam. Besides the fact that if I actually knew someone named Leroy Krumpett, they probably wouldn't subject their email "Good Morning Leroy Krumpett".

There are a number of criteria that trigger spam filters, only some of which are needed before the message gets classified junk mail. These criteria are sorted into categories, and assigned a certain number of points each. The following is a message I received that was marked spam.

Content analysis details: (12.0 points, 4.0 required)
Rule Name
2.3 FROM_LOCAL_NOVOWEL From: has series of non-vowel letters. So maybe I should stop emailing myself test messages titles things like dgbvntdbvntdnbdv.
0.9 DATE_IN_PAST_12_24 Date: is 12 to 24 hours before Received: date
0.6 BODY_ENHANCEMENT2 BODY: Information on getting larger body parts Why is this only .6 points? How often do you send a legit email about getting larger "body parts"?
2.0 RCVD_IN_SORBS_DUL RBL: SORBS: sent directly from dynamic IP address
1.7 RCVD_IN_NJABL_DUL RBL: NJABL: dialup sender did non-local SMTP
1.1 URIBL_SBL Contains an URL listed in the SBL blocklist
3.4 URIBL_JP_SURBL Contains an URL listed in the JP SURBL blocklist Why is this one worth so much more? I guess having more letters makes it a more hard-core blocklist.

I don't know what some of these mean, but I feel I could suggest some ones to add that would be very helpful:

1.4 SPAM_LINGO Contains any or all of the following spam-likely words or phrases: Stock tips, penis enlargement patch, Next Big Thing, sexual performance, refinance
2.4 SPAM_LINGO_ BADGRAMMAR We approve you loan, It ready, Maintain you erection
3.1 AFRICAN_BANK_HOAX Begins with the greeting "Dear Sir or Madame"
4/0 MENTION_VIAGRA_ ANYWHERE Let's see... has anyone ever used the word "Viagra" in an actual email to a friend, family member or business associate? Nope. Not ever.



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