TODO list:

  networking:
   - rewrite all networking modules
   - imap
   - ssl

  mime:
   - rewrite mime.c
   - external programs handling unknown mime types
   - utf8

  mail folder:
   - message searching
  
  spam:
   - store hash table via libdb
   - algorithm improvements
  
  sending:
   - bounce
   - draft reedition
  
  general:
   - allow reading strings longer than screen width
   - menu
   - defaults
   - immediate compose (for interaction with web browsers)


Wanna-have list:

  - PGP
  - S/MIME support
  - full mbox support
