You are now in the directory for the port "mail/cclient-maildir" (package name "c-client-maildir-4.7c").
This is the one-line description for this port:
Mark Crispen's C-client mail access routines with qmail maildir support
Please read the "description file" for a longer description.
Go to the top of the ports tree for a summary on how to use the ports collection.