Re: Unable to Relay 550 5.7.1 for replies only!

From: Dan Townsend [MSFT] (dtown_at_online.microsoft.com)
Date: 05/14/04 

Date: Fri, 14 May 2004 06:09:01 -0500

The easiest fix is to use a MAPI profile instead of POP3/SMTP. 

-- 
Hope that helps,
Dan Townsend
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"PhilE" <anonymous@discussions.microsoft.com> wrote in message
news:ce9601c4392e$f4856c00$a301280a@phx.gbl...
> W2K3 Server and E2K3 Ent. server
> Fresh installs. Recipient policies for our Internet
> domains with the appropriate ISA settings. All email
> leaves our domain with no SMTP issues to anywhere outside.
> Internal email works.
> Outlook 2003 configured to use E2K3 as default.
> When replying to an externally received email:
> Throws Event 7010: MSExchangeTransport (Logging is on)
> This is an SMTP protocol log for virtual server ID 1,
> connection #9. The client at "10.0.10.100" sent a "rcpt"
> command, and the SMTP server responded with "550 5.7.1
> Unable to relay for info@outsidedomain.com  ". The full
> command sent was "rcpt TO: <info@outsidedomain.com>".
> This will probably cause the connection to fail.
>
> In Outlook client:
> Your message did not reach some or all of the intended
> recipients.
>
>       Subject: RE: Subject Line
>       Sent: 5/13/2004 1:38 PM
>
> The following recipient(s) could not be reached:
>
>       'Jane Doe' on 5/13/2004 1:38 PM
>             550 5.7.1 Unable to relay for
> info@outsidedomain.com
>
> I have looked high and low at all of our SMTP settings and
> made sure all is OK. The client is authenticated
> internally OK with access to all N/W resources.
>
> I can send and receive email successfully with no issues
> except when replying.
>
> Searched everywhere and so far no solution.
>
> Anyone?

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