Re: [exim] dkim error in paniclog

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Autor: Alexey V. Degtyarev
Datum:  
To: Kerstin Espey
CC: exim-users
Betreff: Re: [exim] dkim error in paniclog

On 10:59 Thu 17 Dec, Kerstin Espey wrote:

> Am Donnerstag 03 Dezember 2009 schrieb Kerstin Espey:
> >
> > after upgrading to exim 4.71 we get the following error in paniclog:
> >
> > 2009-12-02 22:06:05 1NFwOj-0005JP-2X DKIM: Error while running this message
> > through validation, disabling signature verification.
> > 2009-12-03 00:36:35 1NFykN-0007Js-6B DKIM: Error while running this message
> > through validation, disabling signature verification.
> > 2009-12-03 01:01:03 1NFz83-0001RP-9U DKIM: Error while running this message
> > through validation, disabling signature verification.
> >
> Still no one else with this error?


No no, the same here.

> We have done some more debugging, but without success until now.:-(
>
> We now have a list of 17 IP addresses, which do often trigger the error. It
> looks like it depends on the sender address, if we get the error or not.
> I have done a tcpdump for some of these ip, and passed the data to exim with
> debugging mode enabled. No error occurs.
>
> The mails I have seen so far, are sent from qmail-servers. But I'm not sure if
> this is always the case. They don't have any dkim-header, but a header
> "DomainKey-Status: no signature".
> All of them seem to be newsletters.
>
> Any ideas on how to go on?


The servers under heavy production, for almost 100k messages per day is
about 100 DKIM errors "while running this message through validation". I
have no idea how to troubleshoot that.

--
Alexey V. Degtyarev