On Tue, 8 Feb 2005 12:49:07 -0800, "ib_redbeard"
[quoted text, click to view] <ibredbeard@discussions.microsoft.com> wrote:
>I have a program that sends out notifications through my IIS server. It
>goes perfectly to every address except on. I get the following error message:
>Message delivery to the remote domain 'domain.com failed. The error message
>is 'An SMTP protocol error occurred.
>'. The SMTP verb which caused the error is 'RCPT'. The response from the
>remote server is '550 Relaying is prohibited
>The IIS uses my exchnage server as a smart host. Any idea what is going on?
Your Exchange server isn't allowing your other system to relay.
Maybe see:
Setting Up SMTP Domains for Inbound and Relay E-Mail in Exchange 2000
Server and Exchange Server 2003:
http://support.microsoft.com/default.aspx?scid=kb;en-us;260973 How To Configure a Remote Domain for an Internet Information Services
SMTP Mail Relay Server in Windows Server 2003:
http://support.microsoft.com/default.aspx?scid=kb;en-us;324272 Jeff
[quoted text, click to view] > I asked the people on the other end if I am being blocked (gave them the ip
>of both my IIS and exchange server) and they said I wasn't. I have been
>hearing that it might be a problem with "perform reverse DNS lookup" option.
>They do perform one. I am going to get them to do a nslookup on my IP's and
>see if they can see me. Not sure what else to do. Thanks!!
Just change your hostname in code. it should be mail.domainname.
[quoted text, click to view] ib_redbeard wrote:
> *Hi folks,
> I have a program that sends out notifications through my IIS server.
> It
> goes perfectly to every address except on. I get the following erro
> message:
> Message delivery to the remote domain 'domain.com failed. The erro
> message
> is 'An SMTP protocol error occurred.
> '. The SMTP verb which caused the error is 'RCPT'. The response fro
> the
> remote server is '550 Relaying is prohibited
> The IIS uses my exchnage server as a smart host. Any idea what i
> going on?
> I asked the people on the other end if I am being blocked (gave the
> the ip
> of both my IIS and exchange server) and they said I wasn't. I hav
> been
> hearing that it might be a problem with "perform reverse DNS lookup
> option.
> They do perform one. I am going to get them to do a nslookup on m
> IP's and
> see if they can see me. Not sure what else to do. Thanks!!
-
kavit
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