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Re: Email notifications and SPF


  • From: Gunnar Hjalmarsson  
  • Date: Wed, 20 Oct 2004 14:06:44 +0200

Gunnar Hjalmarsson wrote:
Let me try to explain my concern with an example:

Assume that I was running a Ringlink ring at
http://www.ring-master.com/ Furthermore, assume that I had an AOL
email address registered as the ringmaster address of that ring.
Then, for the case that ring-master.com is not included in AOL's SPF
record ;-), and if I have understood this correctly, the email
notifications from Ringlink to those members might be bounced.

Please correct me if I'm wrong. I'd like to be wrong.

I think I'd better correct myself. :)

This is AOL's SPF record:
v=spf1 ip4:152.163.225.0/24 ip4:205.188.139.0/24 ip4:205.188.144.0/24
ip4:205.188.156.0/23 ip4:205.188.159.0/24 ip4:64.12.136.0/23
ip4:64.12.138.0/24 ptr:mx.aol.com ?all

The question mark before the trailing 'all' means that a failure to find
a matching server would result in the value "neutral". (As opposed to
'-all' which would result in the value "fail".) See
http://spf.pobox.com/mechanisms.html

Accordingly, it's not likely, at least not yet, that a mail server is
configured to bounce a message from an AOL address based on an SPF check
only.

/ Gunnar


Follow-Ups from:
Pete

References to:
Richard Lowe
Gunnar Hjalmarsson

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