o POP before SMTP
o original icons and logos
+o improvements of addressbook
o folder management enhancements
o more robust IMAP4 response parser
o enhancement of filtering
o mailing list manager
o inline image display on multipart MIME
o compressed folder
+o GTK+-2.x support
o make the code cleaner
o make the process faster
o make the dubious English much decent :)
(processing of time out, multi-threading etc.)
. drag and drop
. full internationalization
-. autowrap / wordwrap
. PGP/GPG support
. display of HTML messages (composition of HTML message is not scheduled :-P)
. progress display of time-consuming processes
* full-text search of messages (plain)
* template function
* regular expression support at filtering
+* autowrap / wordwrap