[RndTbl] weird DKIM fail

Alberto Abrao alberto at abrao.net
Thu Oct 27 08:14:35 CDT 2022

On 2022-10-27 05:34, Hartmut W Sager wrote:
> One quick thought does come to mind.  Any chance you're using 2048-bit 
> DKIM and that Yahoo can only work with 1024-bit DKIM?  I encountered 
> that in one of my study cases, where the receiving mail system can't 
> verify.2048-bit DKIM.

Or the other way around. A few ESPs have been randomly reject 1024-bit 
DKIM-signed messages, depending on the server where it lands on their end.


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