v1.6 - 02/28/2005

	- Updated arguments to clamdscan to reflect new option names as of
	  ClamAV 0.83.

	- Changed umask to 007 to work with non-root ClamAV part of mail
	  group.

v1.5 - 06/21/2004

	- Fixed bug where certain undeliverable messages with MIME
	  entities missing bodyhandles would crash the filter.

v1.4 - 03/18/2004

	- If clamdscan fails for some reason, now a REJECTED is sent back
	  to CG in order to retry later. Previously the filter would OK
	  such messages.

	- Resource scheduling support added.

v1.3 - 03/08/2004

	- Support to scan with both ClamAV and MIME::Tools MIME unpacking.

	- Support for blocking encrypted ZIP files.

	- Virus policy has been set to discard by default.

v1.2 - 02/03/2004

	- Added Clam Antivirus support and blocking of attachments via
	  regular expressions.

v1.1 - 08/31/2003

	- Added Envelope-To header to CG Submitted message in order to avoid
	  spam relaying. This fixes a spamming scenario where your domain is
	  Bcc'ed and the message has tnef attachment. In such a case, the
	  message would be delivered to whoever was in the To: or CC: fields.

v1.0 - 08/16/2003

	- Initial release.