Re: "signature verification failed" (1024-bit key)

From: SM <>
Date: Thu, 06 Aug 2015 14:21:57 -0700

Hi Jim,
At 01:43 PM 8/6/2015, RISP System Administrator wrote:
>However. When testing, we're seeing this header (real domain munged):
>DKIM-Filter: OpenDKIM Filter v2.10.3 2832AF78062
>Authentication-Results:; dkim=fail
>reason="signature verification failed" (1024-bit key)
> header.b=CCeF8U5s
>I haven't been able to find out exactly what the issue is. We
>created private keys and public keys using
>, which sets up a 1024-bit key.
>Where should I look or what should I do to correct this?

The reason means that either the message header and/or the message
body was modified after they were DKIM-signed. Are you running any
software which might cause that?

Received on Thu Aug 06 2015 - 21:22:39 PST

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