SMTP 5.7.1 Exchange 2003 error

Your message did not reach some or all of the intended recipients.

      Sent:      1/31/2008 8:39 AM

The following recipient(s) could not be reached: on 1/31/2008 8:40 AM
            You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            < #5.7.1 smtp;550 5.7.1 <>... HELO from SPF result Fail;
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Greg JacknowCommented:
The message: #5.7.1 smtp;550 5.7.1 <>... HELO from SPF result Fail;

is from the remote mail system.  They are saying you have failed sme sort of spam check and are rejecting your connection or your email.

Make sure you mail server is identifying itself with the right DNS name and reverse DNS is configured to correctly point to that name.  This been incorrectly configured is one reason you might ge this message.

copassbAuthor Commented:
Thank you for your quick response.

I have check the SPF Settings in my mail server and the DNS is resolving and correct.  THe reverse DNS is also pointing correctly.

What next?
Hi resolves to
your system is coming from
The SPF record for sais "v=spf1 a -all", so the check fails because IP of your system not matching A record for
copassbAuthor Commented:
Turns out that the user at the remote domain's account was disabled.

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