Mutt

From OCFwiki

Mutt is a text-based mail client with many advanced features, and is especially popular among power users. For users not able to invest the time in learning how to use an email client to its full effect, Pine is a simpler, more self-explanatory client that is often sufficient for most email tasks.

See also

• The official Mutt manual.
• Woodnotes Guide to the Mutt Email Client - A gentler introduction to Mutt.