In <00c701c3ef24$6b3fa4a0$020a0a0a(_at_)patch> "Sam Norris"
<Sam(_at_)ChangeIP(_dot_)com> writes:
No matter what any UDP DNS message can also be a max of 512 bytes ... Thus
the reason for the 255 char limit on TXT records.
Well, yes, but I guess I was assuming that you could have a text
record in the 450-500 byte range (depending on other DNS data). Text
records that go beyond that size I had assumed would switch to TCP.
The point is that instead of having a recommendation that SPF records
SHOULD be well below 500 bytes, I have learned that SPF MUST be below
256 bytes. And that means that AOL can't double the size of their SPF
record without breaking it up with include: mechanisms.
Maybe this isn't news to others, but it is news to me.
-wayne
-------
Sender Permitted From: http://spf.pobox.com/
Archives at http://archives.listbox.com/spf-discuss/current/
Latest draft at http://spf.pobox.com/draft-mengwong-spf-02.9.7.txt
Wiki: http://spfwiki.infinitepenguins.net/pmwiki.php/SenderPermittedFrom/
To unsubscribe, change your address, or temporarily deactivate your
subscription,
please go to
http://v2.listbox.com/member/?listname(_at_)©#«Mo\¯HÝÜîU;±¤Ö¤Íµø?¡