3 ms·I also use mailbox.org and use my own domain for email. Not sure what issue the author ran into.by AndyMcConachie 7mo agoI also use mailbox.org and use my own domain for email. Not sure what issue the author ran into.MPSimmons 7mo agoSPF or DKIM maybe?okanat 7mo agoSee: https://news.ycombinator.com/item?id=47492820 https://news.ycombinator.com/item?id=47492820