RE: Please Help! Can't send email with Exchange2k3

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: Michael Patrick (MichaelPatrick_at_discussions.microsoft.com)
Date: 11/23/04 

Date: Tue, 23 Nov 2004 15:41:05 -0800

Look for KB324958, its how to block SMTP relaying and clean up Exchange
Server, but it has a step by step on the proper settings for SMTP server.....

"redraven" wrote:

> We have a bit of a peculiar problem with our SBS and more specifically
> Exchange 2003.
>
> Basically Exchange run as per usual, but since Sunday we've not been
> able to send both internal and external email.
>
> When sending an internal email from outlook 2003 the email goes into
> the Outbox, it is sent and finally moved into Sent Items. However, the
> email never reached the recipient. Nothing comes up on the Event
> Viewer, the queues are clean and everything looks like the same as
> before.
>
> The same story for external emails except that I get a warning in the
> Event Viewer (Event ID: 4006), "Message delivery to the host
> '64.233.185.27' failed while delivering to the remote domain
> 'gmail.com' for the following reason: Unable to successfully connect
> to the remote server."
>
> I've tried to resolve this issue by browsing through the newsgroups,
> but to no avail.
>
> I suspect that it has something to do with the SMTP virtual server,
> since the service was stopped when I came in on Monday.
>
> The default SMTP server has the following settings: (one sbs, 20
> clients, ip: 192.168.0.xx)
> 1. General tab:
> a. IP addresses: "All Unassigned".
> b. Limit connections to 500
> c. Connection time-out
> d. Logging disabled
> 2. Access tab:
> a. Authenticate
> i. Anony. access disabled
> ii. Basic… enabled
> iii.Required… disabled
> iv. Integrated… enabled
> b. Connection control
> i. Only list (Granted: 192.168.0.0 to 192.168.0.255)
> c. Relay
> i. Only list (Granted: 192.168.0.0 to 192.168.0.255)
> ii. Allow… enabled
> 3. Messages… nothing looks important here
> 4. Delivery
> a. Outbound security… Anonymous access
> b. DNS is set to our SBS's IP (192.168.0.200)
>
> Any help would greatly be appreciated!
> Thanks
> Andre
>

Relevant Pages

  • [NT] Vulnerability in Exchange Server Could Allow Arbitrary Code Execution (MS03-046)
    ... Get your security news from a reliable source. ... In Exchange Server 5.5, a security vulnerability exists in the Internet ... an unauthenticated attacker to connect to the SMTP port on an Exchange ...
    (Securiteam)
  • RE: SMTP error (only from Outlook)
    ... This issue appeared on specify user or all SMTP clients? ... If yes, in Exchange System ... Is there any local bridgehead server listed in "Local ... to over three dozen open relay block lists. ...
    (microsoft.public.windows.server.sbs)
  • RE: strange email errors
    ... you to check the relay configuration on the SBS server. ... please restart the SMTP virtue server and Exchange ... Please also refer to the following steps to create a new SMTP Connector to ...
    (microsoft.public.windows.server.sbs)
  • Re: Exchange issues
    ... Are you up to date on all your Service Packs, both Windows and Exchange? ... > all traffic on port 25 to the SBS Exhange server. ... I suspected SMTP relaying becuase ... > You should verify that the server really isn't an open relay: ...
    (microsoft.public.exchange2000.admin)
  • Filtering email on ISA
    ... Unless you choose to create a new IIS SMTP Virtual ... Server, ordinarily you will want to Server Publish ... directly to the Exchange SMTP, ...
    (microsoft.public.isa)