[dkim-ops] Yahoo/BellSouth configuration
johnl at taugh.com
Wed Aug 26 11:10:26 PDT 2009
> that leads me to suspect that maybe Yahoo is really officially
>carrying BellSouth customers' email.
Yes, Yahoo handles much if not all of the mail for AT&T's ISP subsidiaries.
>DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bellsouth.net; s=s1024; t=1251295577;
>The problem is that bellsouth.net has no selector named s1024. However,
Right. It's a bug at Yahoo's end.
But it's also a bug at your end, since the DKIM spec is quite clear
that a signature that can't be verified is equivalent to no signature.
Your fix was the correct one, turn off the buggy code that rejects
mail on a DKIM DNS lookup failure.
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