[unisog] Extremely High Spam Statistics
feenberg at nber.org
Tue Feb 20 20:53:29 GMT 2007
Is it possible that much of the difference across MTA is due to some
counts excluding mail to non-existant accounts, and some including such
mail? Dictionary spam can be quite volume, and those messages are not
something we would include as spam or non-spam.
On Tue, 20 Feb 2007, Joseph Brennan wrote:
>> Feb, 2007
>> 108395 (6%)
>> 1707607 (94%)
> These counts are amazingly high from my point of view. To begin with
> 12% of our volume is from our own authenticated users or other mail
> systems at the university, and we can quickly reach almost 20% of
> volume by adding in sources unlikely to be spam like Gmail and AOL,
> the New York Times, Monster, Bigfootinteractive.
> Are these counts excluding mail from local users, and including
> "possible spam" that is not bad enough to reject?
> We certainly have seen an increase since mid 2006 too, but we only
> hit 60% spam weekdays and 80% weekends (there isn't more spam
> on weekends, just fewer legit messages). That is the ratio of
> messages rejected to messages accepted.
> Joseph Brennan
> Lead Email Systems Engineer
> Columbia University Information Technology
> unisog mailing list
> unisog at lists.dshield.org
More information about the unisog