RE: Exchange 5.5 and relaying

anonymous_at_discussions.microsoft.com
Date: 08/20/04


Date: Fri, 20 Aug 2004 10:50:29 -0700

I have symantec antivirus corporate edition running and
none of the machines have a virus. Is there anyway to
check the network to see if a machine were running an
smtp engine of some sort?
>-----Original Message-----
>Hello Russ,
>
>What about an virus infected computer inside your
network that is abusing
>your server?
>
>Kay Sellenrode
>
>"Russ" wrote:
>
>> I have an exchange 5.5 sp4 server that appears to be
>> relaying mail. I've looked up information on
preventing
>> Exchange 5.5 from being an open relay and configured
it
>> accordingly. I've tested it with abuse.net manually
>> through telent and it says it's not an open relay, but
>> when I look at the outgoing mail queue in the IMS
there is
>> a bunch of mail in there that is definitely not
business
>> related. The ones that are still in the queue are
there
>> because of being host unreachable. I don't know how
many
>> are acutally going through. Does anybody have any
>> suggestions?
>>
>.
>



Relevant Pages

  • Re: Mysterious file - WINXPINIT.EXE
    ... Symantec has released new virus defs on Sep 13: ... > Although I have not found this file on any machines on my network, ... > before and after plugging the server into the isolated network. ...
    (microsoft.public.security.virus)
  • Virus running through our network
    ... the Backdoor.Trojan virus popped its head into our network. ... it appeared as though it got them (even on the machines that didn't pop up ... Users having R/W rights? ...
    (microsoft.public.win2000.security)
  • Re: MonaRonaDona
    ... without a virus checker then the longest it is likely to last before a ... anything on the internet or intranet. ... I'm not on a network, ... traffic each copy was generating looking for new uninfected machines to ...
    (microsoft.public.windowsxp.general)
  • did microsoft ever release a tool for sasser like they did blaster...
    ... hey got a small problem with sasser we have a few machines ... out and about on the network with the virus on but its ... i noticed some time last year during the blaster crisis ...
    (microsoft.public.windowsxp.security_admin)
  • RE: Securing a Local Network
    ... How much would it cost if a virus infected one ... be if a competitor hacked into their network and was able to access all ... Third issue is virus protection. ... can infect you from numerous other sources. ...
    (Security-Basics)