Hello, On Fri, 06 Sep 2019 09:32:13 +0200, Adam D. Barratt wrote: > The SPF rejection was generated by the recipient's mail server, not any of > Debian's infrastructure; mailly simply relayed it back to you.
ah, OK, sorry I read it wrongly, it was too late yesterday. > This is a known issue with the combination of SPF and mail forwarding OK, yes, I am aware of it, I did not notice it is this case. > This is likely resolvable by the recipient configuring their checks to > either ignore the Debian forwarding hop (which should be doable in most > setups I believe) or not performing SPF checks on mail forwarded to them. I do this for people by forwarding the mails by .procmailrc (instead of .forward) where it changes the SMTP originating address. Thanks for reply, Jan