MMR
MIME Mail Reader
Version: 1.6.0
Status: Stable -- periodic updates
Platforms: Linux, Solaris, SunOS (using g++)
Description:
This program reads UNIX mail in a terminal window, like the popular PINE 
mail reader.
Why use MMR?
  - Handles thousands of messages efficiently!
  
- Messages are by default sorted and threaded by subject.
  
- Automatic detection and merging of a modified mail file
  
- Automatically uncompresses and recompresses gzipped mailfiles
  
- Rules for automatically determining the message save file.
  
- Sort messages by author or subject, or neither.
  
- Searchable message listings, including search through message text
  
- Automatic ignoring of certain MIME types.