Security Basics mailing list archives

Re: Good SPAM filter for Outlook for use in a small non-profite ORG


From: "Mario A. Spinthiras" <mario () netway com cy>
Date: Sun, 24 Sep 2006 16:50:54 +0300

Beauford, Jason wrote:
Saqib Ali wrote:
Hello All,

I am looking for a "Good" SPAM filter for Outlook. It is intended for
use in a California based non-profit ORG. However the key requirement
is that should be maintenance free. There is no IT dept at this ORG.
There are 6 users who will need the filtering software, and we will
purchase if it is reasonably priced. (unless if someone wants to
donate we will give them a tax-deductible donation receipt :-)

I like Symantec's BRIGHTMAIL product.  Once configured, it just works.
It can also be remotely administered as it is configured via a web
browser.  Email comes in and is scanned for both SPAM and Viri.  Rules,
configured on the box, determine how the email is processed.  You can
have it filter messages for some or all of the recipients, or none of
them based on the rules you create.  Messages deemed as Spam can be
delivered to a users 'quarantine' mailbox which sits on the server and
is accessed through a web browser.  The end users are notified on a
schedule you set up on the box, hourly, daily, etc...  They receive an
email which shows them the date, sender and subject of the messages
caught in their quarantine box.  Also in the email are links to the
individual messages and a link to "release" the message which will
immediately deliver the message to their inbox.

As it uses Brightmails own spam filters which it gets by aggregating
properties of millions of spam messages received at Brightmails spam
servers around the world, updates are downloaded automatically on a
regular basis and require no administrative overhead.  Should you want
to get a little more involved,  you can set up the box to use public
Blacklists or setup your own local blacklists on the server.  You can
Whitelist address, domains and IP Addresses as well.
It's a good product that I use and recommend.  Alternatively, I've used
McAfee's Spam Assassin and it wasn't nearly as easy to configure or
maintain.


Kind Regards,


JMB

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Is there a way to implement RBL within an email client ? If so you dont need much of the super duper applications written today to stop spam. RBL usually works perfectly on mail servers. I dont see how it couldnt work on clients too. In addition to an antivirus client , and relevant security methods that prevent image tailing from the net through an html embedded email , etc.. you should be perfectly safe and sound. Keyword: RBL listings!

It wouldnt be a bad idea to write a plugin or a transparent proxy that implements RBL for local email retrieval!

Ill keep you posted.

Regards,
Mario A. Spinthiras


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This list is sponsored by: Norwich University

EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINE
The NSA has designated Norwich University a center of Academic Excellence in Information Security. Our program offers unparalleled Infosec management education and the case study affords you unmatched consulting experience. Using interactive e-Learning technology, you can earn this esteemed degree, without disrupting your career or home life.

http://www.msia.norwich.edu/secfocus
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