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RE: If my server does not have an SPF record?

2005-05-04 08:11:26
-----Original Message-----
From: owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
[mailto:owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com]On Behalf Of Ball, DJ
Sent: Wednesday, May 04, 2005 10:44 AM
To: spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
Subject: RE: [spf-discuss] If my server does not have an SPF record?

-----Original Message-----
From: owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
[mailto:owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com] On Behalf Of Scott 
Kitterman
Sent: Wednesday, May 04, 2005 9:40 AM
To: spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
Subject: RE: [spf-discuss] If my server does not have an SPF record?

-----Original Message-----
From: owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
[mailto:owner-spf-discuss(_at_)v2(_dot_)listbox(_dot_)com]On Behalf Of Ball, 
DJ
Sent: Wednesday, May 04, 2005 10:34 AM
To: spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
Subject: [spf-discuss] If my server does not have an SPF record?


What will a rejection message look like? Specifically what will the
5.X.X code be? Can the remote server admin specify the message that is
sent back?

Thanks!

DJ


I'm not certain I understand the question.

If your domain does not have an SPF record, you should never get a
rejection because of SPF.  SPF is purely optional, but does have
benifits if you are concerned about your domain being forged.

Scott Kitterman


I am sending mail from domain.com to destination.com. Destination.com
will look up domain.com to see if there is a SPF record. If no reocrd is
found, what does destination.com do? Drop the seesion? Send a NDR or
DSN? Turf the message? Queue the message?

Strictly speaking that may vary depending on the receiver policy.  SPF is
optional and, although more widely deployed than other anti-forgery
technologies, is not yet generally deployed.  I don't think that it is very
likely that anyone would do anything other than accept the message and
subject it to whatever processing they normally do (anti-virus,
spamassassin, etc.).

Scott Kitterman