On Thu, 16 Apr 2020, ignat...@cs.uni-bonn.de wrote: > However, SPF seems > to work to pacify Google and isn't very difficult to setup.
For many years, I periodically send emails using NetBSD.org address. I didn't think about SPF. I never get any bounces for this. Now I see the SPF rule in the TXT record has "?all" or neutral or no policy. In your case, is it that Google just likes that a SPF is there regardless of the qualifier?
