Spam
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Umdloti
15 pts.
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Q:
Spam
Spam prevention, Exchange administration, Exchange spam filters, Outlook
One of our users is receiving endless spam. From: always has a name (which changes with each new spam message) followed by our users email address. eg Corrie Smith <mailto: tomjones@mycompany.xyz>. The next spam message will be from Jack Jones <mailto: tomjones@mycompany.xyz>. And so on. How do I block these numerous spam messages.

Software/Hardware used:
XP (Outlook) and Exchange
ASKED: Oct 2 2009  3:52 PM GMT
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Labnuke99
26290 pts.
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A:
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You did not mention the version of Exchange or Outlook you are using. I'm surprised that only one user is reporting this problem. What is your user population?

It is very difficult to block spam like this without some intelligent filtering in either an edge device or a hosted service. For a hosted service I highly recommend Google Postini. I have around 2000 users in my environment and we are very happy with Postini's effectiveness. And the fact that it happens "in the cloud" can help your network edge by reducing the amount of bad traffic that has to be processed by your connection and servers. There are other intelligent devices such as Barracuda or Fortinet. See this Wikipedia article on anti-spam appliances for links.

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Last Answered: Oct 2 2009  5:27 PM GMT by Labnuke99   26290 pts.
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Meandyou   1840 pts.  |   Oct 5 2009  3:01PM GMT

I have often been troubled by the use of one of my favorite foods being used to describe junk e-mail. Nobody wants junk e-mail. But almost everybody loves SPAMwiches.

 

Technochic   40210 pts.  |   Oct 5 2009  3:05PM GMT

Another hosted filter service which does a great job is Message Labs. We have over 10,000 mailboxes and our SPAM was reduced significantly when we started using them.

 

Umdloti   15 pts.  |   Oct 5 2009  4:28PM GMT

We use Outlook 2007. Our Exchange server is hosted by Intermedia, so I presume it is version 7, and we only have 15 users. Only one (actually there may be two) users are currently affected by this spam.

 

Troy Tate   0 pts.  |   Oct 5 2009  5:06PM GMT

Since you are using hosted Exchange services, you should speak to this provider and ask them about this issue. They should be providing anti-spam and anti-virus as part of their hosted services. If they do not, seek another provider who does.

 

ITAddict   460 pts.  |   Oct 5 2009  6:03PM GMT

I agree with Troy, your provider should have a spam filter.
As a stop gap measure, you could add the user’s own e-mail address to the blocked sender list in Junk Options. That would at least get the messages out of his inbox.

 
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