From: worldoff9908@gmail.com   
      
   Daniel70 wrote:   
   > In one of my UseNet NG's, one of the posters was annoying me .... so I   
   > filtered on their NYM and set the filter to 'Delete' ..... and Good Bye   
   > for about five weeks until today when he has changed his Nym to his name.   
   >   
   > So I thought I'd alter the Filter to kill-file him using the bit after   
   > the '@' ..... but I found that I had already added a second line on his   
   > Filter entry to Delete any messages from his  server.   
   >   
   > Do Filters not filter on the server portion ... or do I have to have the   
   > username before the '@' in the Filter name as well as the server name??   
      
   What you can do with deleting depends on the news server you're   
   interacting with and how it's configured.  However, if you were able to   
   delete before and not now, it seems that there's something that's not   
   quite right in the logic portion of the filter.   
      
   What you're seeing here is the limits of what Mozilla's filtering   
   structure offers.  Behavior is the same in Thunderbird, and I believe   
   what we have now still is pretty much the same as what was done in the   
   original Netscape suite. There's limited support for Boolean logic   
   (especially if you need to mix AND and OR), and as a result, to get   
   that, you frequently have to string together several conditions to get   
   what you want.   
      
   Although your work seems to be focused on one specific poster, I've   
   found that it's generally more effective to do more filters with fewer   
   conditions than fewer filters with more conditions.   
      
   For this particular concern, do make sure you have logging enabled for   
   that newsgroup.  Although the logs won't turn up negatives (of things   
   not identified -- all you have to go on is to see what was missed), the   
   logs will show what was identified. As a result, it's a good idea to   
   make sure that your filter has a unique name.   
      
   As you're debugging your filters, the hard thing is to come up with   
   something that's not overly aggressive that would cause you to miss   
   content that you want to see.  Thus, as a temporary thing, you may want   
   to set the action part of your filter to be something non-destructive,   
   such as applying a message tag (which will color-code what the filter is   
   identifying).  When you're satisfied that the filter is identifying only   
   what you want, then you can change the action to delete (or something else).   
      
   Given possible server-imposed limits on deletion, I suggest that a   
   better response than "delete" would be either "ignore thread" or "ignore   
   subthread".  This one assumes that you have set viewing of the newsgroup   
   to show only unread messages (and if you have threaded display enabled,   
   only threads with unread messages).   
      
   For what you're doing, you're trying to do deletion by the domain   
   portion of the address, and that should be doable. However, what you're   
   trying to filter is based on the message's From: line, and for that,   
   it's useful to see the context of the raw data of the message. Thus, I   
   suggest that you view the message with Ctrl-U, and do further   
   development/testing based on what you see there.   
      
   Smith   
      
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