Assistance with SPF Records for BIND

Sten Carlsen stenc at s-carlsen.dk
Sat Feb 18 16:55:26 UTC 2012


Hi

I suggest to use the wizards or look in the RFC:
http://www.ietf.org/rfc/rfc4408.txt



On 18/02/12 17:51, Jonathan Vomacka wrote:
> BIND Community Support,
>
> I am inquiring about how to setup a proper SPF record? I know there
> are SPF wizards/generators available but each seem to have a different
> "opinion" of what should be included and what should not be included.
>
> Let me give you a scenario of my setup, and hopefully someone can help
> me out.
>
> My domain is: test.com
> My mailserver hostname is: mail.host.com which also has a MATCHING PTR
> record
> mail.host.com (for example) resolves to 50.1.1.1 and 50.1.1.1 resolves
> to mail.host.com
>
> This is a STANDALONE mail server without any VIP's or load balancing.
> There is however one additional host that will send out mail from the
> domain but it wont be receiving mail, it will only be used as an SMTP
> server attached to a website automailer... It only generates error
> reports and sends them out... so technically it isn't a full mail
> server but it will be sending (outbound only) mail on behalf of the
> domain.
>
> The additional host is: mail2.test.com which resolves to 50.2.2.2 and
> there is a Matching PTR.
>
> These are the ONLY mail servers and IP addresses that will be sending
> out mail from the test.com domain. Some websites say I should use -all
> and others say -all will cause some MTA's to reject and ~all is better
> to use even if those are the only two hosts sending out mail.
>
> Would you be able to assist with a solid SPF record?
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-- 
Best regards

Sten Carlsen

No improvements come from shouting:
       "MALE BOVINE MANURE!!!"

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