Changed the structure of wrapped messages to employ multipart/alternative and to
collect calendar system information into a text part rather than the MIME
preamble.
1simple_local_person: 2debug_print="R: simple_local_person for $local_part@$domain" 3driver=redirect 4domains=lsearch;/etc/exim4/virtual_domains 5data=${lookup{$local_part}lsearch{/etc/exim4/virtual_people_local_system}} 6cannot_route_message=Unknownuser