...tish:
imap shell = imap command line tools.
Example:
# Set MsgId on Mails without one
FOLDER="Archives" ; tils -I "$FOLDER" |grep "\{"|while read LINE ; do tish -x addheader "$FOLDER" "$LINE" "X-New-Header: true" ; done
# Correct Date to second received header:
tish date Archives PATTERN received2
# Import or export mbox
tish exportmbox Archives >file.mbox
tish importmbox Archives <file.mbox
Written in ruby.
Attention: Use on your own risc! You can damage your whole mail data!
Ruby script framework for the encryption and decryption of email according the GPG/MIME Format (RFC 3156). It can be used for e.g. for Apple' Mail as replacement for GPGMail.
...I wrote this for our small business to manage newsletter mailing lists and special interest groups when the only existing tools I could find on the internet for Mac OS X were commercial.
LightningPigeon is an e-mail client designed to be efficient and non-bloated. The primary aim being of an educational value to the developers and the secondary aim of providing a client which works at top efficiency.