# Set the variables and move to group_vars/<group> and host_vars/<host> as required and encrypt.

# Ansible variables
ansible_port:
ansible_become_password:

# SSH variables
ssh_user:

# Machine variables
domain:
subnet_address:
subnet_masklen:
subnet:

# Postfix variables
postfix_smtp_server:
postfix_smtp_port:
postfix_smtp_user:
postfix_smtp_pass: