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Article: 731
From: Anthony Howe
Date: 2005-10-11 03:29:55 -0400
Subject: Re: milter-spiff: SPF result Fail

Removal...........: milters-request@milter.info?subject=remove
More information..: http://www.milter.info/#Support
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(For some reason this message never made it to the list.)

Tristan Griffiths wrote:
 > I have come across another domain name that appears to be failing (I
 > have marked the important bits):
 >
 > reject=550 5.7.1 sender <______@disney.com> via 204.128.192.16 SPF
 > result Fail;
 >
 > ;; ANSWER SECTION:
 > disney.com.             300     IN      TXT     "v=spf1 ****mx**** -all"
 >
 > ;; ANSWER SECTION:
 > disney.com.             3600    IN      MX      10 mx3.disney.com.
 > disney.com.             3600    IN      MX      10 mx4.disney.com.
 > ****disney.com.             3600    IN      MX      10 
mx1.disney.com.****
 > disney.com.             3600    IN      MX      10 mx2.disney.com.
 >
 > ;; ADDITIONAL SECTION:
 > **** mx1.disney.com.         1478    IN      A       204.128.192.16 ****
 > mx1.disney.com.         1478    IN      A       204.128.192.18
 > mx1.disney.com.         1478    IN      A       192.195.66.20
 > mx1.disney.com.         1478    IN      A       192.195.66.30
 >
 > I have whitelisted the domain as a temporary fix. Is it to do with the
 > load balanced MXs?

 From what I can see the MX records for disney.com are multi-homed. 
There may be an issue with the design of my DNS client code, which 
reports the first IP address that matches the MX host name.

I'll look into a fix for this either in LibSnert or milter-spiff.

-- 
Anthony C Howe                                 +33 6 11 89 73 78
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