Whatever you do, make it render emails in a sane way. I still prefer mutt text-only rendering of emails (content) than any email rendering software, but if you'

Whatever you do, make it render emails in a sane way. I still prefer mutt text-only rendering of emails (content) than any email rendering software, but if you're going to render and digest html, actually do it. The total time involved in and barbarity with which web atrocities have been committed to make emails render correctly in Outlook or even Gmail cannot be understated.