On Mon, 27 Nov 2006, Rick Macdougall wrote:
Ed Kasky wrote:
At 02:00 PM Monday, 11/27/2006, Bill Randle wrote -=>
Like other posters, I don't have real stats on the amount of spam that
makes it past the filters, other than my own mailbox. I typically get
from 2-3 spam messages per day, on rare occasions, maybe 6-10. We use
blacklisting, the SARE rules, ImageInfo, FuzzyOCR and local custom
rules.
Our overall stats for the last 24 hours are: Msgs %total %after rbl
total incoming messages: 84620 100% --
rejected (cbl.abuseat.org, list.dsbl.org): 57624 68% --
viruses (ClamAV): 183 0.2% 0.7%
spam (blocked): 22294 26% 83%
possible spam (sent to user mailbox): 252 0.3% 0.9%
clean (sent to user mailbox): 1828 2.2% 6.8%
So, bottom line, of all the incoming mail, only 2.5% is actually
delivered to a customer mailbox.
-Bill
I thought I was the only one experiencing those numbers:
Our overall stats since Sunday 4:00 am: Msgs %total %after rbl
total incoming messages: 5535 100% --
rejected (cbl.abuseat.org, list.dsbl.org): 4366 78% --
Sendmail Reject - Pre-Greeting Traffic: 333 6% --
viruses (ClamAV): 23 0.4% 0.5%
spam (blocked): 401 7.2% 9.1%
clean (sent to user mailbox): 412 7.4% 9.4%
Similar numbers here since 6am this morning on one of our 4 MX's
Received 88952 100.00%
RBL Reject 61965 69.66%
Clam 167 0.19%
Spam Reject 4911 5.52%
Spam Pass 599 0.67%
Clean 13580 15.27%
Bear in mind that this particular machine is also the outbound MX for another
mailserver for Yahoo, AOL, Sympatico, etc for scanning purposes, so the Clean
number is going to be a little high.
We are also very proactive about infected local users (we're an ISP) so out
Clam numbers are a lot lower than say a year ago when we weren't scanning.
Regards,
Rick
My numbers aren't quite as good, but close. Here's the last 24 hours
on one of our 2 MXes:
Total messages received: 54396
Total messages filtered: 39529 (72.7% of all messages)
Mail rejected by rbl: 20158 (51.0% of filtered, 37.1% of total)
Mail rejected by greylists: 10843 (27.4% of filtered, 19.9% of total)
Mail rejected for other reasons (HELO restrictions, etc.): 5382 (13.6%
of filtered, 9.9% of total)
Viruses: 171 (0.4% of filtered, 0.3% of total)
Delivered as spam: 2975 (7.5% of filtered, 5.5% of total)
Breakdown of delivered mail:
Total messages delivered: 17842 (32.8% of all messages)
Delivered ham: 5869 (32.9% of delivered, 10.8% of total)
Delivered spam: 2975 (16.7% of delivered, 5.5% of total)
On-campus mail: 8998 (50.4% of delivered, 16.5% of total)
RBL is still the king for us.
Chris St. Pierre
Unix Systems Administrator
Nebraska Wesleyan University
