Restored update_*_0.4.x-0.5.p*, modified upgrade.sh for v. 0.5.1
update_config_0.4.x-0.5.py, update_tables_0.4.x-0.5.pgsql:
* restored from tag vmm-0.5 for upgrades from version 0.4.x
upgrade.sh:
* added stuff for 0.4.x cleanups
# The hosts that Postfix will try to connect to
hosts = host1.some.domain host2.some.domain
# The user name and password to log into the pgsql server.
user = postfix
password = some_password
# The database name on the servers.
dbname = mailsys
# Postfix 2.2 and later The SQL query template. See pgsql_table(5).
query = SELECT maildir FROM postfix_maildir WHERE address='%s'