haskell/hackage-server — pull request #276 by teozkr (2014-11-10 20:31:09+00:00)
Title: Install postfix and update APT cache as part of the Docker image build

Seems to fix #275. However, the new behavior seems to be that mails silently fail if they can't be sent properly which isn't optimal either. Any ideas for better behavior when a mail proxy is required?