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Re: txt SPF record with cname

2004-09-14 14:13:38
On Tue, Sep 14, 2004 at 10:02:00AM -0400, Stuart D. Gathman wrote:

He *does* want a differnet TXT record.  He wants 'v=spf1 -all' for 
www.watkins-home.com.

I've been in a similar situation.  In the end it is simple:

If you public an SPF record for watkins-home.com, that assumes you
are in control of the watkins-home.com mailservers.  If a CNAME is
published for www.watkins-home.com pointing to watkins-home.com,
you are in control of both domains.

a) mail coming "from" user(_at_)www(_dot_)watkins-home(_dot_)com is being sent 
from
   a non-designated host: SPF will enable the receiver to flag it
   as fraud.

b) mail coming from user(_at_)www(_dot_)watkins-home(_dot_)com is being sent 
from a
   server that is designated: look in your logs and kill,kill,kill.

cheers,
Alex


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