[Rspamd-Users] SPF DNS Error / R_SPF_DNSFAIL

Carlos Mogas da Silva r3pek at r3pek.org
Mon Dec 19 15:09:42 UTC 2022

Hi list.

My incoming messages are getting R_SPF_DNSFAIL and an error on the Authentication-Results header:

 (mail01.r3pek.org: error in processing during lookup of
 no-reply at cttexpresso.pt: DNS error)

I see the DNS request on my DNS server and a "working" reply going out. What can cause this error
and/or how can I debug it?

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