New answers tagged yahoo
Sorry, forgot to post the resolution to this! So it was a forwarding thing as suspected but my SPF rules in DNS were overly strict and didn't allow for forwarding - hence SPF failed. Changing from -all to ~all sorted it.
Two things to consider: Email forwarding happens on the internet. This could be a case of someone running their own @example.org server but then forwarding all email to Yahoo (eventually landing in an @yahoo.com mailbox). People do this all the time 'cause they like the UI of the final destination better or its just easier to manage. DKIM can survive ...
Top 50 recent answers are included