svn path=/nixpkgs/trunk/; revision=9183
probably be a bit tricky, due to sendmail "compatibility" (postfix makes a symlink to "sendmail", so programs will keep on working). svn path=/nixpkgs/trunk/; revision=5030
svn path=/nixpkgs/trunk/; revision=4623
svn path=/nixpkgs/trunk/; revision=3809