12.0.1 is a bugfix release with some minor bugfixes for 12.0.0. It also does some necessary changes to prepare for the upgrade to 12.1. 12.0.1 is an "unskippable upgrade" so all servers will have to upgrade to 12.0.1 before going to 12.1
- Fix some LCD driver startup issues.
- Add more attempts for spamassassin to get signatures.
- Some more SSL handling fixes.
- Turn off SMTPS SSL scanning by default.
- Revert back to separate block/tarpit settings in Application Control.