maildir2mbox - move mail from a maildir to an mbox
maildir2mbox moves mail from a maildir-format directory to
an mbox-format file.
You must supply three environment variables to maildir2mbox:
MAILDIR is the name of your maildir directory; MAIL is the
name of your mbox file; and MAILTMP is a temporary file that
maildir2mbox can overwrite. MAILTMP and MAIL must be on the
maildir2mbox is reliable: it will not remove messages from
MAILDIR until the messages have been successfully appended
maildir2mbox locks MAIL to protect against simultaneous
access by a mail reader. This locking system does not
protect against simultaneous access by another maildir2mbox;
you should run only one maildir2mbox at a time.
Man(1) output converted with