You're thinking of Ghost not Ghostty
373 karma · joined August 14, 2023
Hidden in deeper paragraphs later:
"To be clear, neither of these results has a practical impact on today’s computer systems; no production software will have to change as a result"
But now if SPF passes and is aligned, DMARC passes (it doesn't matter what DKIM's status is). OP here wants to complete skip the SPF check entirely.
Ah yes, cause who bothers to test any releases to actual paying customers