@lists.isc.org
Subject: Re: long SPF txt record
On 6/20/2013 1:13 PM, Koehler, Charles wrote:
> Our email group wants to change the current SPF txt record and replace it
> with one that is 274 characters.
>
> How can I put it in so that it works correctly?
>
> Thanks
> --cwk
On 6/20/2013 1:13 PM, Koehler, Charles wrote:
> Our email group wants to change the current SPF txt record and replace it
> with one that is 274 characters.
>
> How can I put it in so that it works correctly?
>
> Thanks
> --cwk
>From RFC 4408 ( http://www.ietf.org/rfc/rfc4408.txt )
3.1.3. M
3.1.3. Multiple Strings in a Single DNS record
As defined in RFC 1035 sections 3.3.14 and 3.3, a single text DNS record
(either TXT or SPF RR types) can be composed of more than one string. If a
published record contains multiple strings, then the record MUST be treated as
if those strings are
You may take a look at google's setting as samples.
It's just grouping, I.e, gmail's SPF:
$ idig gmail.com txt
gmail.com. 300 IN TXT "v=spf1
redirect=_spf.google.com"
$ idig _spf.google.com txt
_spf.google.com.300 IN TXT "v=spf1
include:_netblocks.
Our email group wants to change the current SPF txt record and replace it with
one that is 274 characters.
How can I put it in so that it works correctly?
Thanks
--cwk
==
Charles Koehler
Network Operations - IT Infrastructure
UCSF
500 Parnassus Ave P7-14
San Francisc
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