On Tue, 2020-08-04 at 08:38 +1000, Paul Gear via General wrote: > This is still happening with IPv6 traffic - anyone able to take a > look? Hi Paul, I've added an "excalibur AAAA 2400:c401:1002:11:5054:ff:fead:f514". excalibur is humbug's MX, and spf allows all mx's. Hopefully that will fix the problem. >