RE: Spam Protection

  • From: "Chris Williams" <chrisw@xxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Tue, 7 Dec 2004 07:56:07 -0800

I think it's more of a choice you can make, weighing the risks, than an 
automatic yes/no answer.  It all comes down to the quality of the RBL list, 
after all.

If you look here 
http://www.microsoft.com/technet/itsolutions/msit/security/messaginghygienewp.mspx,
 it certainly looks like Microsoft is blocking based on an RBL hit, using some 
unnamed RBL list.  From there, messages that pass get handed off to other 
technologies, such as IMF.

Chris Williams
Sirana Software
http://www.sirana.com

________________________________________
From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx] 
Sent: Sunday, December 05, 2004 10:09 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Spam Protection

http://www.MSExchange.org/
Whoa, flag on play.
 
It is not recommended nor a good idea to block on a RBL hit.
 
John Tolmachoff
Engineer/Consultant/Owner
eServices For You
 
-----Original Message-----
From: Chris Williams [mailto:chrisw@xxxxxxxxxx] 
Sent: Sunday, December 05, 2004 4:54 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Spam Protection
 
http://www.MSExchange.org/
Seb, KB article #823866 
(http://support.microsoft.com/default.aspx?scid=kb;en-us;823866) has info on 
how to configure Exchange 2003 to use RBLs.  You just have to choose the RBL 
list (or lists) that you want to use.
 
Chris
 
________________________________________
From: Seb E. Payne [mailto:spayne@xxxxxxxxxxxx] 
Sent: Sunday, December 05, 2004 2:13 PM
To: [ExchangeList]
Subject: [exchangelist] RE: Spam Protection
 
http://www.MSExchange.org/
Looks interesting. Spam Assassin was very hard to install and I'll think I will 
removed it. How do you do the black hole list?
 
Seb
 
________________________________________
From: Chris Williams [mailto:chrisw@xxxxxxxxxx] 
Sent: 05 December 2004 21:52
To: [ExchangeList]
Subject: [exchangelist] RE: Spam Protection
 
http://www.MSExchange.org/
Why would you do both IMF and SA?  Those seem like overkill, since they both do 
essentially the same thing.  There are those that would probably argue SA is 
technically better, but that's a personal decision.  We're running IMF, since 
it's easier to install and manage, IMHO, than SA.
 
You may also want to look into doing some blocking against a real-time black 
hole list.  Exchange can do that, and SA as well, if you enable it.  This would 
block some of your incoming spam before they get into the content analysis 
phase.
 
Finally, I'll just point out that IMF is great, but if you want more end-user 
control over things like white lists, and the ability for users to create and 
view personal quarantines, you can take a look at a product from my company, 
Sirana SpamCenter, which is an add-on to IMF.
 
http://www.sirana.com/products/spamcenter
 
Chris Williams
Sirana Software
 
________________________________________
From: Seb E. Payne [mailto:spayne@xxxxxxxxxxxx] 
Sent: Sunday, December 05, 2004 1:26 PM
To: [ExchangeList]
Subject: [exchangelist] Spam Protection
 
http://www.MSExchange.org/
Hi All
 
I'm running an Exchange 2003 for my small business (on a albeit low budget) and 
it is working fine. I have setup IMF and Spam Assassin with McAfee Group Shield 
6. Does this seem adequate spam and virus protection? Any suggestions on 
improvements?
 
Seb Payne
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