Mailing List Archive

[Bug 8213] TCP fallback not working with UDP truncated TXT response
https://bz.apache.org/SpamAssassin/show_bug.cgi?id=8213

--- Comment #2 from Giovanni Bechis <giovanni@paclan.it> ---
Created attachment 5939
--> https://bz.apache.org/SpamAssassin/attachment.cgi?id=5939&action=edit
Email with problematic spf

I've added this commit
https://github.com/apache/spamassassin/commit/1b39f34b4da74460125d9daeecebc667e8d5296f
to fix/workaround this issue.
Works reliably with a rather new Net::DNS, it might have issues with older
versions.
The attached email passes SPF tests with the patch applied but not with the
patch reverted.

$ dig +noanswer +nocomments TXT 53.com @1.1.1.1

; <<>> DiG 9.18.24 <<>> +noanswer +nocomments TXT 53.com @1.1.1.1
;; global options: +cmd
;53.com. IN TXT
;; Query time: 49 msec
;; SERVER: 1.1.1.1#53(1.1.1.1) (TCP)
;; WHEN: Wed Mar 06 17:15:19 CET 2024
;; MSG SIZE rcvd: 1545

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