Re: Extremely High Spam Statistics

["Mclaughlin, Kevin L (mclaugkl)" <mclaugkl () UCMAIL UC EDU>]

Out of 1.8M daily messages we flag about 33% as SPAM or possible SPAM.

-Kevin


Kevin L. McLaughlin
CISM, CISSP, PMP, ITIL Master Certified
Director, Information Security
University of Cincinnati
513-556-9177 (w)
513-703-3211 (m)
513-558-ISEC (department)
 
 
 
 

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-----Original Message-----
From: Joel Rosenblatt [mailto:joel () COLUMBIA EDU] 
Sent: Tuesday, February 13, 2007 1:11 PM
To: SECURITY () LISTSERV EDUCAUSE EDU
Subject: Re: [SECURITY] Extremely High Spam Statistics

Our spam rates run between 60%-85% spam depending on the volume of real
mail - the amount of spam we get remains pretty constant at between 1.1
and 1.4 million 
per day.

Thanks,
Joel Rosenblatt

Joel Rosenblatt, Senior Security Officer & Windows Specialist
Columbia Information Security Office (CISO)
Columbia University, 612 W 115th Street, NY, NY 10025 / 212 854 3033
http://www.columbia.edu/~joel


--On Tuesday, February 13, 2007 11:20 AM -0600 "Daniel J. Cody"
<dcody () UWM EDU> wrote:

> > Are other institution's spam levels this high?  I would be very
> > interested in hearing stats as I thought global rates were only
around
> > 90-95%.
>
> We deliver around 3 million messages per day to users inboxes, 87%-93%
of which we identify as spam and filter to a spam folder on a regular
basis.
> That doesn't include the very very large number of attempted
deliveries from SMTP servers that try to pipeline data which are
blocked, or the 20%-25%
> messages which are discarded at our edge servers due to an extremely
high spam score.
> Daniel Cody
> E-mail manager
> University of Wisconsin Milwaukee



Joel Rosenblatt, Senior Security Officer & Windows Specialist
Columbia Information Security Office (CISO)
Columbia University, 612 W 115th Street, NY, NY 10025 / 212 854 3033
http://www.columbia.edu/~joel