spf-discuss
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Re: DNS gurus: What is the max length of a TXT records?

2004-02-19 12:43:21
wayne wrote:
No, regular expressions are not used in SPF.  I hope they never will
be.  SPF is too complicated as is.  There are better ways of
compressing the SPF records, if we actually need to do such things.

Yes, for example an even shorter (89 chars instead of 210) variation is:

v=spf1 ip4/24:152.163.225|205.188.139,144,156-157,159|64.12.136-138 ptr:mx.aol.com ?all

A simple handmade C parser (as opposed to a regex lib) can read this notation.


z2