On Tue, Oct 31, 2006 at 10:57:55AM -0500, Stuart D. Gathman wrote:
Limiting SPF traffic to UDP queries also caps the total bytes.
TXT "v=spf1 -all"
TXT "other protocol", total some 200 bytes (reasonable)
TXT "yet other protocol", total some 200 bytes (reasonable)
TXT "still other protocol", total some 200 bytes (reasonable)
together: > 611 bytes, which is more than 512, thus uses TCP.
This SPF record doesn't get any shorter.
Let's face it. Waiting for the type99 record was good, but also
allowing txt records (and worse: promoting to use TXT records)
may have been a mistake.
Alex
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