hostname: '<hostname>'
domain: '<domain.tld>'

user:
  name: '<username>'
  password: '<bas64-hashed-user-pass>'

admin_mail: '<your@mail.com>'

relay:
  server: '<mail-relay>'
  port: '587'
  user: '<sasl_user>'
  password: '<sasl_pass>'

backup_via_samba: false
backup_via_nfs: true