RE: SORBS

["Omar Sherin" <Omar.Sherin () egyptianlng com>]

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 () securityfocus com [mailto:listbounce () securityfocus com] On Behalf Of Robertson, Seth (JSC-IM)
Sent: Friday, January 05, 2007 5:46 PM
To: security-basics () securityfocus com
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 () securityfocus com [mailto:listbounce () securityfocus com]
On Behalf Of mbs
Sent: Thursday, January 04, 2007 3:23 PM
To: security-basics () securityfocus com
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 () securityfocus com 
> [mailto:listbounce () securityfocus com] On Behalf Of policysup () gmail com
> Sent: Tuesday, January 02, 2007 2:20 PM
> To: security-basics () securityfocus com
> 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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