More robust support for DKIM
DKIM support was a bit more optimized:
- OpenDKIM now listens on
0.0.0.0
(as it's in the container anyway), as listening tolocalhost
had its issues - DKIM will now sign more header tags
DKIM support was a bit more optimized:
0.0.0.0
(as it's in the container anyway), as listening to localhost
had its issues