Was this the reason for the outage? https://ezh.es/blog/2020/08/the-confused-mailman-sending-spf-and-dmarc-passing-mail-as-any-gmail-or-g-suite-customer/ https

Was this the reason for the outage? https://ezh.es/blog/2020/08/the-confused-mailman-sending-spf-and-dmarc-passing-mail-as-any-gmail-or-g-suite-customer/ https://ezh.es/blog/2020/08/the-confused-mailman-sending-spf... edit: I see that there was a HN post about the blog post earlier with discussion https://news.ycombinator.com/item?id=24229180 https://news.ycombinator.com/item?id=24229180