On 16/02/17 12:37, Odhiambo Washington via Exim-users wrote:
> On 16 February 2017 at 14:50, Jeremy Harris <j...@wizmail.org> wrote:
> 
>> On 16/02/17 10:37, Odhiambo Washington via Exim-users wrote:
>>> Anyone seeing what I am seeing with RC5?
>>>
>>> 2017-02-15 19:53:23 1ce2pV-0007Hw-Iy DKIM: signing failed: RSA_LONG_LINE
>>
>> Are you trying to send mails, and sign them, having single lines that
>> are longer than 16KB ?
>> --
>> Cheers,
>>   Jeremy
>>
> 
> Signing, yes, but I haven't analysed the mails going through the server to
> that extent - that I can tell which ones have those single lines longer
> that 16KB.
> This is a community server hosting mailing lists using Mailman.
> It has about 1,000 subscribers on one of the lists. It's possible they can
> send posts with such characteristics.
> Any easy way to capture that information in the mainlog??

Set dkim_strict.

http://exim.org/exim-html-current/doc/html/spec_html/ch-support_for_dkim_domainkeys_identified_mail.html#SECDKIMSIGN

-- 
Cheers,
  Jeremy

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