--- Kind Regards, David David Flanigan E: dave_at_flanigan.net W: http://www.flanigan.net On 2015-08-06 19:46, RISP System Administrator wrote: > SM - > > We run all of our outgoing email through MailFoundry spam cleaners, which adds some headers if we've whitelisted an outgoing email address. In our test case, one of the accounts used is whitelisted and the other isn't. The one that went through without the 'signature verification fail' is the one *with* the added headers; the other without the added headers got the 'fail', which is very puzzling. > > Would it help to post both sets of headers? > > Jim > > (btw - new to the list. Do you prefer pre-quote or post-quote replies?) > > On Thu, August 6, 2015 2:21 pm, SM wrote: >> 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 mail02.domain.com 2832AF78062 >>> Authentication-Results: mail02.domain.com; dkim=fail >>> reason="signature verification failed" (1024-bit key) >>> header.d=domain.com header.i=_at_domain.com header.b=CCeF8U5s >>> >>> I haven't been able to find out exactly what the issue is. We >>> created private keys and public keys using >>> http://www.dnswatch.info/dkim/create-dns-record, 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? >> >> Regards, >> -sm >> >> >>Received on Fri Aug 07 2015 - 12:07:12 PST
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