Dear Maintainer,


   * What led up to the situation?
	default configuration
	systemctl start mimedefang
	mail.log: mimedefang-multiplexor Undefined subroutine &main::do_main_loop called at /usr/bin/mimedefang.pl line 36

   * What exactly did you do (or not do) that was effective?
	apt install libnet-dns-perl

   * What was the outcome of this action?
	problem is resolved - operation is normal

   * What outcome did you expect instead?
	package libnet-dns-perl included as Depend: on package mimedefang