michael at breton
Apr 15, 2008, 7:51 AM
Post #2 of 2
(217 views)
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Doug Kapell wrote:
> Hello,
>
> I am setting up a spf record for a domain (penfieldfarm.com) and am not sure
> that I am getting everything entered as needed.
>
> I have a dns entry of:
>
> penfieldfarm.com. 14400 IN TXT "v=spf1 mx
> a:6a.87.5446.static.theplanet.com ip4:70.84.135.106 -all"
>
> I've seen some mention of also needing a spf record for the domain that is
> the HELO response from the mail server. Or something like that. I am not
> sure what that means.
>
> If anyone could help me determine what else I need to do to properly
> implement spf for this domain it would greatly appreciated.
>
> regards,
> Doug
>
Hello Doug,
As I see it, your SPF record should be reduced to the following:
penfieldfarm.com. 14400 IN TXT "v=spf1 mx
ip4:70.84.135.106 -all"
You can remove the "a:" entry because it resolves to the same IP address in your "ip4:" mechanism. You could also remove the "mx" entry if you instead put another "ip4:" mechanism with the IP of your MX server.
When it mentions the HELO/EHLO, it means that if one of your mail servers sends "HELO mail.penfieldfarm.com" when sending email, then you should have an SPF record like this:
mail.penfieldfarm.com. 14400 IN TXT "v=spf1 ip4:serv.ers.ip.address -all"
...and if you have any other servers that send email and HELO using your domain name, you might need additional DNS entries for each HELO name your server(s) use.
Hope this helps,
Michael Breton
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