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Re: [spf-discuss] SPF TXT Questions re Effectiveness

2006-12-01 08:40:58
On Fri, Dec 01, 2006 at 10:17:47AM -0500, George Hitz wrote:

I am still trying to figure out how the SPF tester works .. both
from "it should pass" and "it should fail" sets of data.
If I put in my domain hitz.org and the IP of my SMTP service,
66.253.48.181 (outbound.mailhop.org) the bottom line of
the results says "result:  FAIL".  Why is that? My TXT line is
"v=spf1 include:outbound.mailhop.org -all"

outbound.mailhop.org has this SPF record:
"v=spf1 a -all"

Meaning: find A(outbound.mailhop.org) and use that.

A(outbound.mailhop.org) is 63.208.196.171 and not 66.253.48.181 as you say.

python spf.py "v=spf1 include:outbound.mailhop.org -all" 63.208.196.171 user 
helo
('pass', 250, 'sender SPF authorized')
python spf.py "v=spf1 include:outbound.mailhop.org -all" 66.253.48.181 user helo
('fail', 550, 'SPF fail - not authorized')


HTH
Alex

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