Educause Security Discussion mailing list archives
Re: Extremely High Spam Statistics
From: "Walter E. Petruska" <wpetruska () USFCA EDU>
Date: Mon, 12 Feb 2007 18:06:30 -0800
We've varied up and down each month, but normally we're about 30 Percent passed thru, with 70% blocked as either spam or virus-containing. The trend from a few years ago was steadily negative, we eventually instituted enterprise scanning/blocking which reduces the storage load and risk of delivery of spyware/viruses to the end user, but it still takes up a fair amount of our bandwidth, with SMTP being the 6th highest on our Internet link. I've heard some schools being up to the 80's, but 90% or above seems pretty outrageous. Walter Petruska CISO University of San Francisco ________________________________ From: Ken Connelly [mailto:Ken.Connelly () UNI EDU] Sent: Mon 2/12/2007 16:58 To: SECURITY () LISTSERV EDUCAUSE EDU Subject: Re: [SECURITY] Extremely High Spam Statistics Tim - We're a mid-sized university in the US. Between 1M and 1.5M messages come knocking at our door most days, with roughly 90% of those being categorized as spam. - ken Tim Lane wrote:
Hello, I would be interested in comparing our spam stats with other institutions. We are currently sent around around 450 000 emails per day, of which 98-99% are spam leaving around 5000 valid email messages passed through. This is transparent to our uses who only receive valid email. 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%. Thanks, Tim Tim Lane Information Security Program Manager Information Technology and Telecommunication Services Southern Cross University PO Box 157 Lismore NSW 2480 (02 6620 3290 7 02 6620 3033 - tlane () scu edu au 8 http://www.scu.edu.au <http://www.scu.edu.au/>
Current thread:
- Extremely High Spam Statistics Tim Lane (Feb 12)
- <Possible follow-ups>
- Re: Extremely High Spam Statistics Ken Connelly (Feb 12)
- Re: Extremely High Spam Statistics Mark Borrie (Feb 12)
- Re: Extremely High Spam Statistics Walter E. Petruska (Feb 12)
- Re: Extremely High Spam Statistics Ben Spencer (Feb 13)
- Re: Extremely High Spam Statistics Hall, Rand (Feb 13)
- Re: Extremely High Spam Statistics Hunt,Keith A (Feb 13)
- Re: Extremely High Spam Statistics Jeff Kell (Feb 13)
- Re: Extremely High Spam Statistics Charlie Prothero (Feb 13)
- Re: Extremely High Spam Statistics Roger Safian (Feb 13)
- Re: Extremely High Spam Statistics HALL, NATHANIEL D. (Feb 13)
- Re: Extremely High Spam Statistics Ken Connelly (Feb 13)
- Re: Extremely High Spam Statistics Roger Safian (Feb 13)
- Re: Extremely High Spam Statistics Mark Bruhn (Feb 13)
(Thread continues...)