Mike Hillyer

Depends on supporting each of these: ```[tasklist] ### Tasks - [ ] https://github.com/KumoCorp/kumomta/issues/82 - [ ] https://github.com/KumoCorp/kumomta/issues/83 - [ ] https://github.com/KumoCorp/kumomta/issues/84 ```

Add support to parse and record XARF abuse reports. Should require little change from the ARF parser. https://github.com/abusix/xarf

See https://datatracker.ietf.org/doc/draft-benecke-cfbl-address-header/13/ New approach to enable senders to identify where to send FBL reports and in what format without requiring pre-registration.

Over the 2023 Black Friday/Cyber Monday period the deliverability boards were actively discussing new Gmail bounce messages that have not been seen before. In the interests of expanding our bounce...