These ebuilds come from http://gentoo.zugaina.org/.
If you have some problems, go to the official site first.
feed2imap : RSS/Atom feed aggregator which uploads feeds to an IMAP server. ( http://home.gna.org/feed2imap/ )
liferea : News Aggregator for RDF/RSS/CDF/Atom/Echo/etc feeds ( http://liferea.sourceforge.net/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a zugaina
For Paludis use this rsync : rsync://gentoo.zugaina.org/zugaina-portage
If you have a problem : ycarus(-at-)zugaina.org