wk1: initial docker image setup

target/dovecot/10-tcpwrapper.conf

@@ -0,0 +1,14 @@
+# 10-tcpwrapper.conf
+#
+# service name for hosts.{allow|deny} are those defined as
+# inet_listener in master.conf
+#
+#login_access_sockets = tcpwrap
+#
+#service tcpwrap {
+#  unix_listener login/tcpwrap {
+#    group = $default_login_user
+#    mode = 0600
+#    user = $default_login_user
+#  }
+#}