---

# Postfix role
# postfix_config: null_client
#
# Relay configuration
# postfix_relay_host: 'smtp.example.com'
# postfix_relay_user: 'account'
# postfix_relay_pass: 'p@ssw0rd'
# postfix_relay_transport: plain | tls | starttls (default is starttls)
# postfix_relay_ca_path: '/etc/pki/tls/certs'
#
# If set, outgoing email will be rewritten
# postfix_rewrite_domain: 'example.com'
#
# List of domains that this machine considers itself the final destination for
# postfix_mydestination:
#   - '$myhostname'
#   - 'localhost.$mydomain'
#   - 'localhost'
#
#
#
# List of IP/Network allowed to relay
# 127.0.0.0/8 should always be in the list
# postfix_mynetworks:
#   - 127.0.0.0/8
#   - 10.10.0.0/16
#   - 192.168.7.0/24

# List of IP addresses which will have access to port 25
postfix_src_ip: []

...