neomutt binary package in Ubuntu Bionic s390x

 Neomutt supports all the features that are supported by Mutt, including POP and
 IMAP support, SSL encryption and SASL authentication, threading and GPG
 support.
 On the top of that, neomutt provides:
  * Notmuch: a mail indexing tools that provides advanced features such as
    full-text search, thread reconstruction and added features.
  * Color attachment headers using regex, just like mail bodies.
  * Custom rules for theming the mail index.
  * NNTP support.
  * Visual progress bar for slow operations.
  * Trash folder.

Source package