On 6 May 2024 23:47:20 -0400, John R Levine via mailop <mailop@mailop.org>
wrote:
>> Any suggestions?
>
>To answer the obvious questions, it all has DKIM signatures and the SPF is
>updated, so it ain't that.
My suspicions point in the direction of a seldom-updated file of invalid
routes, or some such. Specifically, whob tells us:
>Origin-AS: 23086
>Prefix: 192.55.226.0/24
>AS-Path: 293 6939 7843 11351 23086
>AS-Org-Name: Pound Bang Incorporated
[snip]
>Route-Originated-Date: May 04 2024 13:42:56
>Route-Originated-TS: 1714830176
We had something like that at MSFT when I worked there. Serious PITA on some
occasions.
mdr
--
"There are no laws here, only agreements."
-- Masahiko
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