On 3/21/06, Paul Lussier <[EMAIL PROTECTED]> wrote:
>   Received: from linux.codemeta.com 
> (pm.codemeta.com[199.125.76.1](misconfigured sender))

$ host linux.codemeta.com
linux.codemeta.com has address 199.125.76.10
$ host pm.codemeta.com
pm.codemeta.com has address 199.125.76.1
$ host 199.125.76.1
1.76.125.199.in-addr.arpa domain name pointer pm.codemeta.com.
$

  I'm still guessing here, but my guess is: When the sender-SMTP
connects to Comcast, it is HELO'ing as "linux.codemeta.com".  DNS says
linux.codemeta.com has IP address 199.125.76.10.  However, the
sender-SMTP is at IP address 199.125.76.1.  Thus, "misconfigured
sender" -- the sender-SMTP is claiming to be one system, but DNS does
not agree.

  This could occur legitimately in a system with multiple IP addresses.

-- Ben
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