[LMB] Listbiz: list posts getting eaten
zlynx at acm.org
Fri Oct 4 22:05:03 BST 2019
On 10/4/19 2:39 PM, alayne at twobikes.ottawa.on.ca wrote:
> I notice that the headers for Beatrice's emails show
> Authentication-Results: dkim=fail reason="signature verification
> failed" (1024-bit key; unprotected) header.d=zoho.com
> header.i=beatrice_otter at zoho.com
> although other tests like spf do pass for her domain.
How strange. Her email's DKIM do authenticate for my server and for
mailroute.net, which is my acm.org mail relay.
Ah, I see, her last email directly included me as CC and that email is fine.
Oh, didn't we run into this before? As I recall the list server modifies
the messages but doesn't remove the signatures, resulting in DKIM rejection.
Oddly this results in people whose email providers do things *right*
getting rejected by GMail after going through the herald.co.uk servers
beause they're doing things *wrong*. Or at least out of date and
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