Mailing unattended upgrades to root
Using lmtp for Postfix to Dovecot delivery
Removing Prcomail (in favor of Dovecot)
Ignoring Vagrant manifest
Updating modules
Setting up LMTP and Sieve
Fixing Prosody (should be run as user 'prosody')
Disabling ensure of postgresql-client in GitLab
Updating Ghost socket locations
Fixing PostgreSQL database specification per update