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Date:  Sat, 23 Feb 2008 08:03:57 -0600
From:  "JMG Support" <JMG-Support (at mark) JMG-Enterprises.com>
Subject:  [coba-e:12126] Re: SPF records for CentOS machines
To:  <coba-e (at mark) bluequartz.org>
Message-Id:  <000f01c87624$eeb5c810$cc215830$@com>
In-Reply-To:  <750B0A2FB9EF4AB7940FF3D8040A387F (at mark) JMGEnterprises.local>
References:  <004501c875c7$6ce72b10$46b58130$ (at mark) com> <750B0A2FB9EF4AB7940FF3D8040A387F (at mark) JMGEnterprises.local>
X-Mail-Count: 12126

> -----Original Message-----
> From: Martyn Bailey [mailto:martyn (at mark) solis.co.uk]
> Sent: Saturday, February 23, 2008 4:30 AM
> To: John Gorena; coba-e (at mark) bluequartz.org
> Subject: [coba-e:12125] Re: SPF records for CentOS machines
> 
> On 22 Feb 2008, at 20:54, JMG Support wrote:
> 
> > I was wondering if someone could tell me something that I am not
> > seeing about SPF records.
> >
> > Are there records written for each domain on the server?  If hosting
> > 200 names, then are there 200 records?
> >
> > What exactly is the record - An example for a domain called
> > example.com?
> 
> The SPF is a simple text statement in the DNS information given to
> the rest of the world.  In very much the same way as you'll have a
> DNS 'A' record telling the world where to go to get the website, the
> SPF tells the world that mail for the domain is sent via 'named' mail
> server - mail sent via other servers not listed, may therefore be
> spam.
> 
> When (some) remote MTAs see an email from 'domain', they'll
> check the route it took, check the SPF record and if all seems fine,
> they'll allow the email through.
> 
> Not sure if this is actually what you were asking, hope it helps
> anyway :-)
> 

That does tell me what it is (which I already knew the purpose) but I would
like a Step-By-Step of how others add these records to their CentOS systems.
Is it a command line process or is this somehow done in the GUI?  I did not
see an SPF record in the DNS section in the GUI.  Is an SPF record created
for each site or is it Server wide?

Thanks,

John