Log Message:
Update mail/courier-imap to 3.0.5 (based on the courier-0.45.6
distribution).  Changes from version 2.2.1 include:

  * Honor ${VARBASE}.
  * courierlogger(1) has been moved to mail/courier-auth.
  * Use the sysconftool from courier-auth to merge config files.
  * The courier* rc.d scripts now check that authdaemond is also set to
    "YES" to ensure that authdaemond is running before the courier-imap
    daemons are started.
  * Support for the ACL IMAP extension (RFC 2086 as well as the 2nd draft
    revision of the ACL specification) via shared maildirs.
  * Bug fixes and improvements to MIME encoding.
  * Fixes buffer overflow vulnerability (PR 25774):
	http://www.securityfocus.com/bid/9845
	http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0224