10-master.conf

service imap-login {
  inet_listener imap {
    #port = 143
  }
  inet_listener imaps {
	port = 0
    #port = 993
    #ssl = yes
  }
}

service pop3-login {
  inet_listener pop3 {
    #port = 110
  }
  inet_listener pop3s {
	port = 0
    #port = 995
    #ssl = yes
  }
}

service auth {
  unix_listener auth-userdb {
    mode = 0600
    user = vmail
    group = vmail
  }
}