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Spam statistics get scarier all the time

I just ran a mailstat.

  • Number of known binary viruses/worms: 11
  • Asian or Cyrillic src or charset: 117
  • Autolearned as spam: 32
  • Scored 15 or worse and thus discarded: 212
  • In a blackhole list I trust and thus discarded: 374
  • Contained a stock symbol known to appear in stock scam spams: 253
  • Suspected spam delivered to my junk mail folder: 237
  • Mail delivered to my inbox: 440

This is AFTER our big central spam filtering system unceremoniously threw away 795 messages it was "sure" were spam. I'm not even going to do the math. It's scary enough hearing the statistic that the central spam filtering system categorizes as spam about 95% of incoming mail to the campus.

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( 1 comment — Comment )
zarfmouse
Dec. 27th, 2006 08:50 am (UTC)
I'm currently getting about 100 spams per day to my personal email account (all the published email addresses that I've ever used get forwarded to the same gmail account). About 10% of them get through gmail's spam filter.

And that doesn't count stuff that's getting caught by chambana.net's or imsa.edu's or uiuc.edu's central spam filters for mail that happens to be sent through my addresses in those domains before being forwarded to my gmail.

I have another email address that has never been published (just given to coworkers) that somehow gets about 1 spam per month or so. I don't know if this is a result of a coworker's system (and hence addressbook) being compromised or if it is just spammers brute forcing randomstring@gmail.com addresses and eventually hitting on my 10 character username. If they used a dictionary attack they'd have to try around 80 billion strings in order to cover the set that that username is in (concatenation of 3 words of length between 2 and 4 characters each).
( 1 comment — Comment )

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