MailScanner ANNOUNCE: stable 4.53.6 released

[Jim Holland]

Hi Julian

Thanks for the new version, however the links to the PGP signatures on 
your site give a 404 Not found error.  Please check.

Regards

Jim Holland
System Administrator
MANGO - Zimbabwe's non-profit e-mail service

On Mon, 1 May 2006, Julian Field wrote:

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> I have just released the May release of MailScanner, version 4.53.6.
> 
> The main new improvements this month are:
> 
> - - Support for sa-update as provided with recent versions of SpamAssassin.
> - - Support for the new format of headers files produced by Exim 4.61.
> - - Many improvements to the handling of, and response to, Web Bugs.
> - - Support for the "gunzip" command so that filetype and filename checks 
> can be done on compressed files created with either the "gzip" or 
> "compress" commands.
> - - Support for numerical IP addresses in phishing.safe.sites.conf. Using 
> this, entire servers can be whitelisted with one entry, removing the 
> need to add every domain provided by that server.
> - - Support for "k", "m" and "g" multipliers in MailScanner.conf so that 
> entries can be written as "Max SpamAssassin Size = 30k" instead of 
> "30000". "k" = 1000, "m" = 1000000, "g" = 1000000000.
> 
> You can download it as usual from
>              www.mailscanner.info
> 
> The full Change Log is
> 
> * New Features and Improvements *
> - - Attachment extraction now checks for available disk space and a DoS attack
>   using messages with high expansion ratios will fail even quicker than it
>   did before.
> - - Added new setting "SpamAssassin Local State Dir" to support the sa-update
>   tool provided with MailScanner these days, to provide a way of auto-
>   updating the core SpamAssassin rulesets. The default value is set to what
>   you need for Linux (/var/lib).
> - - Added new cron job to run sa-update every night. The location of the
>   sa-update program is read from /etc/sysconfig/MailScanner.
> - - Added support for new header -H file format in Exim 4.61.
> - - Added 2 new configuration options "Gunzip Command" and "Gunzip Timeout" to
>   enable unpacking of gzip-ed files for filename and filetype checking.
>   Even if this is disabled, gzip-ed files will still be virus scanned.
> - - Added support for numerical entries in phishing.safe.sites.conf file.
> - - Added support for optional multipliers in numbers in MailScanner.conf.
>   So you can now write "50M" instead of "50000000". The multipliers 
> supported
>   are "k", "m" and "g" to denote 1 thousand, 1 million and 1 billion (10^9)
>   in upper or lower case.
>   You must *not* put any spaces between the number and the multiplier 
> character.
> - - Added a new configuration option "Ignored Web Bug Filenames". This allows
>   you to whitelist a bunch of filenames that can appear in the URLs of
>   potential web bugs. So if you decide that all potential web bugs with
>   "spacer" or "pixel.gif" in the filename are just padding for page layout,
>   then you can make it ignore them by adding them to this list. A sample
>   list is provided in MailScanner.conf.
>   This is disabled by default, as spammers may start to use this as a means
>   of circumventing the Web Bug trap.
> - - When Web Bugs are disarmed, the URL used to replace the original web bug
>   can now be set using the new configuration option "Web Bug Replacement".
>   If this is not specified, then the old value of "MailScannerWebBug" is 
> used.
>   The default value supplied in the MailScanner.conf file is the address of
>   an untracked 1x1 pixel transparent gif (51 bytes) hosted on the 
> MailScanner
>   web site. This will not be tracked other than to supply an overall 
> count of
>   the number of hits this image gets, for overall statistical purposes.
> - - Added Razor2 to the list of plugins automatically enabled by the ClamAV+SA
>   easy-to-install package, due to the recent change in licence. Now if DCC
>   could go the same way...
> * Fixes *
> - - Fixed bug in DoS attack handler. Thanks for Jorge for this.
> 
> - -- 
> Julian Field
> www.MailScanner.info
> Buy the MailScanner book at www.MailScanner.info/store
> Professional Support Services at www.MailScanner.biz
> MailScanner thanks transtec Computers for their support
> 
> PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654
> 
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