postfix: ssl: key: /etc/ssl/private/ssl-cert-snakeoil.key cert: /etc/ssl/certs/ssl-cert-snakeoil.pem outgoing_security_level: may incoming_security_level: may enable_opendkim: false enable_submission: false message_size_limit: 20480000 relay_transport: smtp relayhost: '' relay_domains: [] sender_dependent_relayhost_maps: '' virtual_alias_maps: '' virtual_mailbox_domains: [] mynetworks: [] mydestination: [] ldap: enable: false postfixmaps: []