http://www.inter7.com/courierimap.html
$ bzip2 -dc courier-imap-1.7.1.20030319.tar.bz2 | tar xf -
$ cd courier-imap-1.7.1.20030319
courier-imap-1.7.1.20030319$ ./configure --without-authmysql --without-authldap --without-authpgsql
courier-imap-1.7.1.20030319$ make
courier-imap-1.7.1.20030319$ su
courier-imap-1.7.1.20030319# make install
courier-imap-1.7.1.20030319# make install-configure

courier-imap-1.7.1.20030319# cd /etc/rc.d/init.d/
/etc/rc.d/init.d/# ln -s /usr/lib/courier-imap/libexec/imapd.rc imapd
/etc/rc.d/init.d/# cat >> imapd

# chkconfig: 345 55 45
# description: Courier IMAP 1.7.1
# processname: couriertcpd


/etc/rc.d/init.d/# chkconfig --add imapd
/etc/rc.d/init.d/# /usr/rc.d/init.d/imapd start
/etc/rc.d/init.d/# exit
courier-imap-1.7.1.20030319$ cd
$ mkdir Maildir           IMAP 用ディレクトリを作成する