[dns-operations] creeping poorness of judgement

John R Levine johnl at taugh.com
Sat Mar 14 20:31:25 UTC 2020


>> tisf.net.          120     IN      TXT     "v=spf1 mx ~all"
>
> my actual list is about 300 octets long. i won't be putting it into a single string. you know
> this; why are you going backward in the thread?
>
> can you address the question -- would my example work for SPF clients?

The SPF clients I know all follow the spec.  They glom the strings in the 
TXT record together.  So long as you separate your tokens with spaces and 
stay within the lookup limits of RFC 7208 sec 4.6.4 they should work fine.

Regards,
John Levine, johnl at taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly


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