Yenya's World

Wed, 10 Oct 2007

Spam Volume Decline

This month was the first in at least last two years when I had less than 10,000 spam messages per month.

Spam statistics

In the above graph there is a number of messages which ended in my spambox per month since January 2006 (which is the first bar) to September 2007 (which is the bar number 21).

The peak was in the last December, when I had 113,477 spam messages. Since then we have deployed greylisting on most systems (the last one around March 2007), but nevertheless, the volume of spam has been decreasing even after that time. Can anybody explain this? Is spam becoming too expensive for spammers?

I don't have a hard data, but it looks like the other people in our domain have a similar decrease in spam volume like me.

Section: /computers (RSS feed) | Permanent link | 2 writebacks


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