I'll say it again... http://www.barracudanetworks.com/

No I don't have any stock, although now that I think of it... I should.

/ALE

> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On 
> Behalf Of John Aldrich
> Sent: Wednesday, June 08, 2005 1:15 PM
> To: Exchange Discussions
> Subject: Another question
> 
> We have two Exchange 5.5 servers. They are *supposedly* 
> protected by some sort of a pre-filter (we do seem to be 
> blocking emails from sources which don't match up the RDNS.) 
> However, one of the mail servers seems to be routing a LOT of 
> spam. On the other hand, it's not an open relay, as I've run 
> most of the open-relay checks and none of them come up with a "hit."
> 
> The only thing I can think of, possibly, is that someone has 
> a compromised machine which is being used to relay spam 
> through our Exchange server. If that's the case, I don't know 
> how I'd detect what machine is compromised and fix it...
> 
> Any suggestions?
>       Thanks
>       John
> 
> _________________________________________________________________
> List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
> Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange
> To subscribe: http://e-newsletters.internet.com/discussionlists.html/
> To unsubscribe send a blank email to 
> [EMAIL PROTECTED]
> Exchange List admin:    [EMAIL PROTECTED]
> To unsubscribe via postal mail, please contact us at:
> Jupitermedia Corp.
> Attn: Discussion List Management
> 475 Park Avenue South
> New York, NY 10016
> 
> Please include the email address which you have been contacted with.
> 
> 

_________________________________________________________________
List posting FAQ:       http://www.swinc.com/resource/exch_faq.htm
Web Interface: http://intm-dl.sparklist.com/read/?forum=exchange
To subscribe: http://e-newsletters.internet.com/discussionlists.html/
To unsubscribe send a blank email to [EMAIL PROTECTED]
Exchange List admin:    [EMAIL PROTECTED]
To unsubscribe via postal mail, please contact us at:
Jupitermedia Corp.
Attn: Discussion List Management
475 Park Avenue South
New York, NY 10016

Please include the email address which you have been contacted with.

Reply via email to