Hi there,
I realised that I sent my original Email to the wrong list (dkim-ops),
so I have posted here as well. Apologies for those of you who get to
read it twice.
Here is the message:-
The DKIM-Filter I run occasionally returns these key retrieval failure
messages, and then rejects the email. The milter time out for postfix
is 30 seconds which exceeds the dkim-filter default time out.
Additionally, The time stamps in the message below are the same.
the reject has not happened once, but 112 times since the 6th February.
I am trying to work out whether this is,
a misconfiguration problem with the sender's DKIM entry in DNS,
a time-out from my server to the DNS
a misconfiguration on my server.
Some messages from the postfix log follows:-
Feb 9 14:08:05 srv1 dkim-filter[6967]: 0F40884146: key retrieval failed
Feb 9 14:08:05 srv1 postfix/cleanup[19030]: 0F40884146: milter-reject:
END-OF-MESSAGE from smtp143.junkemailfilter.com[69.50.231.143]: 4.7.1
Service unavailable - try again later; from=<bou...@couchsurfing.org>
to=<niceu...@klunky.co.uk> proto=ESMTP helo=<junkemailfilter.com>
Does anyone know where I could start looking?
Best wishes, S
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