premail is marked for autoremoval from testing

[Debian testing autoremoval watch]

premail 0.46-10 is marked for autoremoval from testing on 2016-04-15

It (build-)depends on packages with these RC bugs:
816486: sup-mail: FTBFS: builder.rb:89:in `run': rake failed, exit code 1 
(Gem::InstallError)