-Requirements (server MDA)
--------------------------
-* git
-* MTA - postfix is recommended
-* Perl and several modules:
- - Email::Filter
- - XML::Atom::SimpleFeed
-* ssoma - http://ssoma.public-inbox.org/
-* SpamAssassin (optional, recommended)
-* CGI-capable HTTP server (optional, recommended for Atom feed and archives)