Re: Exchange 5.5 and relaying

From: Ros (newspostalias_at_mail.anonymizer.com)
Date: 08/19/04 

Date: Thu, 19 Aug 2004 11:31:28 +0200

Yes, I have the same problem with Exchange 5.5 SP4. How block "The recipient
name is not recognized" spam senders?

"Russ" <anonymous@discussions.microsoft.com> wrote in message
news:8c1401c48560$35324ca0$a601280a@phx.gbl...
>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: Exchange 5.5 and relaying
    ... > relaying mail. ... I've looked up information on preventing ... > Exchange 5.5 from being an open relay and configured it ... > when I look at the outgoing mail queue in the IMS there is ...
    (microsoft.public.exchange.misc)
  • Exchange 5.5 and relaying
    ... I've looked up information on preventing ... Exchange 5.5 from being an open relay and configured it ... when I look at the outgoing mail queue in the IMS there is ...
    (microsoft.public.exchange.misc)
  • Re: Help! Being Used As A Relay
    ... you are NOT open relay. ... This is where a spammer gets hold of an account on your SMTP server ... >"You mention that Open Relay occurs when my Exchange ... >mails where neither the SENDER nor the RECIPIENT "domain" ...
    (microsoft.public.exchange.admin)
  • Re: SBS 2003 Open Relay
    ... So unless you tried to cheat the system by buying the student edition of office, you can connect entourage to exchange and forgo the exception you added to the relay in SBS. ... But the misconfiguration was on SBS, not the firewall....it just happens that their new firewall is very "dumb" and doesn't safeguard against bad server configs. ... If you still can't seem to come up with a safe topology that lets you email from your Apples *and* keeps you from being an open relay then it is probably time to call in a specialist who can examine your network. ...
    (microsoft.public.windows.server.sbs)
  • Re: Help! Being Used As A Relay
    ... >"You mention that Open Relay occurs when my Exchange ... Even though your server ... >accept the mails is ...
    (microsoft.public.exchange.admin)