Re: Demon Email

["Mark Marooth" <MMarooth@xxxxxxx>]

If your answer is a firewall, try www.ipcop.org.  It is Open Source,
Free and
will run on any old box, mine is on a 486 DX2/66.


Mark



--------+----------------------------------->
       
          "Rob
Mouser"            
       
         
<rmouser@xxxxxxx
       
         
eon.co.uk>              
       
                                  
       
          13/06/2002
13:43         
       
          Please respond to
ukha_d 
       
                                  
--------+----------------------------------->
 
>----------------------------------------------------------------------------
 
                                                                           
        To:    
"Ukha (E-mail)"
<ukha_d@xxxxxxx>                     
        cc:     (bcc:
Mark
Marooth/SCOTIA)                                   
        Subject:    
[ukha_d] Demon
Email                                    
 
>----------------------------------------------------------------------------




Hi

This is a little 'wide' but I feel it is relevant to us HA people. We
have a Demon Web account here and was infact on the verge of setting
one
up for home (Fixed IP etc, ISDN, fixed cost etc.....However don't post
on this as its not the subject!) HOWEVER we have just had external
email
banned by Demons Abuse Team due to our MS Exchange Server v5.0 (Part of
SBS Ver4.0)beeing venerable to email spammers using relay. I've spoken
to Demon and done some research and it appears that Exchange Ver5.0
cannot be protected against relay attacks! Only Ver5.5 has sufficient
functionality to block relay use.

OK so we cannot upgrade to 5.5 (Various issues with compatibility with
some bespoke software supplied by another company.) (Or in effect SBS
v4.5) at this precise moment and so the only option is to add a
firewall
to the network (25 users) anyone got any recommendations that will do
the trick? As long as Demon can telnet in and get refused they will
open
us back up.

Yours bemused and confused.........

Many Thanks
Rob
Rob Mouser
rmouser@xxxxxxx
rob@xxxxxxx


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