RE: SORBS
- From: "Omar Sherin" <Omar.Sherin@xxxxxxxxxxxxxxx>
- Date: Tue, 9 Jan 2007 01:04:05 +1100
Hi
We went for the managed service solution from messagelabs.com which really
did a wonderful job in blocking spam using different methods , and in
scanning/blocking infected messages that includes scanning against (
viruses, worms, Trojans..etc)
Also in case that your entire messaging infrastructure became offline...they
can hold the undelivered messages for 7 days as a form of DR.
Cheers;
Omar Sherin
Systems Engineer
MCSE.MCSA (windows 2000)
IM Department
Egyptian Liquefied Natural Gas (ELNG)
Mobile: 010 1718304 / 012 1750337
Tel: +202 265 0480 ext: 2279
Fax: +202 768 5280 / Direct : 02-7685279
-----Original Message-----
From: listbounce@xxxxxxxxxxxxxxxxx [mailto:listbounce@xxxxxxxxxxxxxxxxx] On
Behalf Of Robertson, Seth (JSC-IM)
Sent: Friday, January 05, 2007 5:46 PM
To: security-basics@xxxxxxxxxxxxxxxxx
Subject: RE: SORBS
If you have the budget, you might consider affordable products that
feature many different public blocking list services (like SORBS),
heuristics, and bayesian analysis--all using genetically-tuned weights.
That way, no single keyword or blocking list will cause a message to be
"blocked". These products also offer you features like a quarantine (so
a user can retrieve a message that was blocked if it shouldn't have),
anti-virus, content filtering, and auto-encrypted email (e.g., for HIPAA
compliance). I'm afraid that blocking messages due to the listing in a
single block list service is going to yield poor results (plenty of
false positives and false negatives).
http://www.espionintl.com
http://www.barracudanetworks.com
http://www.ciphertrust.com/products/ironmail/
Seth Robertson
IT Security Forensics Specialist
-----Original Message-----
From: listbounce@xxxxxxxxxxxxxxxxx [mailto:listbounce@xxxxxxxxxxxxxxxxx]
On Behalf Of mbs
Sent: Thursday, January 04, 2007 3:23 PM
To: security-basics@xxxxxxxxxxxxxxxxx
Subject: Re: SORBS
I am considering setting up our Exchange servers to use some sort of
SPAM blocking list service. SORBS sounds like the wrong choice. Are
there any better options, or should I just learn to love deleting SPAM?
Michael
Dan Tesch wrote:
That organization is un-believable, good luck! I spent at least 40
hours over the course of a month or two trying to get a domain off
their list. Seemed like every time I passed one of their criteria,
there was something else wrong. It came down to the fact that the
server IP was in a block of SBC addresses that they didn't like how
they were configured.
-----Original Message-----
From: listbounce@xxxxxxxxxxxxxxxxx
[mailto:listbounce@xxxxxxxxxxxxxxxxx] On Behalf Of policysup@xxxxxxxxx
Sent: Tuesday, January 02, 2007 2:20 PM
To: security-basics@xxxxxxxxxxxxxxxxx
Subject: SORBS
In trying to get de-listed from SORBS I get:
" the someone is lying, pay the fine response."
A friend once said: "
Life is so much easier when you assume that anyone who disagrees with
you is evil. Cuts down on the need to take responsibility or do any
real objective thinking.
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