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For the last few years, I've chosen one month to be my spam survey month. This year, I shifted from July to June because I had hoped to use my data to train a new spam-filtering system by, say, July 4th, but I haven't done so yet.
Anyway, here are the numbers:
Total e-mails received on my Panix account, June 2004: 8088
Pieces automatically tagged as spam by Spamassassin: 4575
Other pieces of spam or e-mail malicious code: 750
Mail from one or another of my high-volume mailing lists: 1153
Number of e-mails actually directed more or less at me: 1610. This includes some lower-volume mailing lists, "acceptable" advertisements (e.g., monthly updates from the Quality Paperback Club), and other mail not actually written specifically for me.
That means that on a typical day, I got 79 pieces of unfiltered e-mail in my mailbox, of which one-third (25 a day) were spam or maliceware. In addition, I got twice that many pieces of spam which I never had to look at. Nearly 15% of the spam I received was not caught by Spamassassin. That's a much lower success rate for Spamassassin than last year, when it caught more then 95% of the spam and maliceware.
Anyway, here are the numbers:
Total e-mails received on my Panix account, June 2004: 8088
Pieces automatically tagged as spam by Spamassassin: 4575
Other pieces of spam or e-mail malicious code: 750
Mail from one or another of my high-volume mailing lists: 1153
Number of e-mails actually directed more or less at me: 1610. This includes some lower-volume mailing lists, "acceptable" advertisements (e.g., monthly updates from the Quality Paperback Club), and other mail not actually written specifically for me.
That means that on a typical day, I got 79 pieces of unfiltered e-mail in my mailbox, of which one-third (25 a day) were spam or maliceware. In addition, I got twice that many pieces of spam which I never had to look at. Nearly 15% of the spam I received was not caught by Spamassassin. That's a much lower success rate for Spamassassin than last year, when it caught more then 95% of the spam and maliceware.
