
j-chkmail Change Log

Feb 28 2011 j-chkmail 2.3.0
  See changes in file README-2.3.x

Feb 08 2010 j-chkmail 2.2.0
  See changes in file README-2.2.x

Sep 25 2009 j-chkmail 2.1.1
  See changes in file README-2.1.x

Jun  8 2009 j-chkmail 2.1.0
  See changes in file README-2.1.x

Mar 10 2009 j-chkmail 2.0.0
  [FEATURE] Detection of very short messages (very small body length).
	These short messages can be used to validate the content of 
	addresses databases and can be considered as a privacy violation.

  [FEATURE] Detection of messages with Delivery-Notification-Request
	headers.

  [FEATURE] Some configuration data files are available for download
	at http://j-chkmail.ensmp.fr/data/conf-data

  [CHANGE] Global code clean-up.

Aug 11 2008 j-chkmail 1.13.0 
  [BUG] Validation and correction of a race condition on j-greyd.
          Thanks to Dominique Lalot who helped with his platform.

Aug 05 2008 j-chkmail 1.13.0 RC3
  [CHANGE] BerkeleyDB version changed back to 4.6.21.

Jul 30 2008 j-chkmail 1.13.0 RC2
  [BUG] Solved problem with j-greyd when using a "local:" socket to 
	communicate with j-chkmail. Problem pointed out by Dominique
	Lalot

  [CHANGE] Default j-greyd socket changed from local to inet. Usually
	j-greyd will be shared by filters on different computers. This
	situation needs a inet socket, instead of local socket.

Jul 28 2008 j-chkmail 1.13.0 RC1
	
  [CHANGE] DNS RBWLs code was rewritten to provide better handling and 
	configuration or Black/White lists of both IP addresses and URL 
	blacklists, which are now configured at j-tables data file

  [FEATURE] Added support to POP before SMTP. Based on tests done by
	Steve Hsieh

  [CHANGE] Default configuration is no more a null filter but have some 
	features enabled.
	 SPAM_URLBL                         YES
	 SPAM_REGEX                         YES
         SPAM_ORACLE                        YES
         CHECK_CONN_RATE                    YES
         CHECK_OPEN_CONNECTIONS             YES
         CHECK_BADRCPTS                     YES  
         CHECK_RCPT_ACCESS                  YES
         CHECK_NB_RCPT                      YES
         CHECK_MSG_RATE                     YES
         CHECK_NB_MSGS                      YES
         CHECK_BAD_SENDER_MX                YES
         CHECK_DATE_IN_FUTURE               YES
         GREY_CHECK                         YES

  [CHANGE] j-chkmail -M option added allowing to create
	configuration files :
	j-chkmail -M null    : create null filter
	j-chkmail -M default : default configuration with some options 
	    enabled
	j-chkmail -M running : a clean configuration file with current 
	    options
	This option replaces old -m and -n options, which become deprecated

  [CHANGE] In default configuration, URLBL data comes from DNS.

  [BUG] configure script changed to take into account changes
	in FreeBSD 7

  [FEATURE] IPv6 Support

  [UPDATE] PCRE library was updated to 7.6 version

  [UPDATE] Berkeley DB library updated to 4.7.25

  [FEATURE] Some scripts included at tools directory and a new Makefile
         target (upgrade), allowing easier filter upgrade

  [FEATURE] Basic message archiving feature added
	
Mar 21 2008 j-chkmail 1.12.0
  [RELEASE] j-chkmail 1.12.0 stable release

Mar 11 2008 j-chkmail 1.12.0 RC3
  [UPDATE] j-ndc help command
  [BUG] greylisting - lifetime for pending entries without
         coherent DNS resolutions too short (pointed out by
         Serge Aumont)
  [CHANGE] Default values were included on j-policy
	 database
	 in order to avoid problems if the mail
	 admin doesn't
	 define them

Feb 27 2008 j-chkmail 1.12.0 RC1
  [CHANGES] Many changes take a look at README-1.12.X file   

Dec 11 2007 j-chkmail 1.11.1 Release

  [BUG]  - Bug when handling some kind of uuencoded attached files. Under a
         particular condition, the filter could fall in an endless loop
         and finish consumming all CPU resources. 

Apr 11 2007 j-chkmail 1.11.0 Release

  [FEATURE] Added handling of "SPAMTRAP" value for "CheckRcptDomain"
	prefix in j-rcpt database
  [UPDATE] j-policy.badmx.txt file updated with data from IANA (valid
	IP networks) : http://www.iana.org/assignments/ipv4-address-space
  [CHANGE] Configuration option FILE_EXT removed from j-chkmail configuration
	file. j-xfiles shall be used instead to configure this.
  [FEATURE] The number of messages detected as SPAM by the bayesian filter
	is now added to /var/jchkmail/j-stats file, in order to be able
	to do graphics presentation.
  [CHANGE] Oracle clean-up. Some tests giving too many false positives
	or not enough efficient were removed.
  [CHANGE] Code to limit connections to accept from SMTP clients with
	bad DNS resolution rewritten.
  [CHANGE] Greylisting database clean-up is now distributed over time
        (done in chunks of 1 second size) instead of completely doing
	it each defined time interval. This is done to avoid blocking
	databases for too long. Problem pointed out by Tibor Weis
  SEE README-1.11.x

Dec 18 2006 j-chkmail 1.10.1
  [BUG] j-policy VirusCheckXXX prefix not taken into account. Problem
        remarked by Dennis Peterson

Nov 03 2006 j-chkmail 1.10.0 Release
  [BUG] Corrected an error which caused greylisting to "randomly" reject
	pending connections already ready to be accepted
  [BUG] Corrected an error on j-regex file handling -> to be able to
        do pattern matching on the content of SMTP EHLO/HELO command.

Oct 16 2006 j-chkmail 1.10.0-RC1
  [NAME CHANGE] 1.9.1 is renamed to 1.10.0 as this version contains
        a major change (bayesian filtering)
  [BUG] Error evaluating global score of pattern matching (REGEX)
        on headers. Problem noted by Christian Pelissier
  [CHANGE] CHECK_FROM_CONTENT configuration option changed to
	CHECK_ENVFROM_CONTENT, as this check is really applied
        to envelope not header.
  [BUG] Error detecting scripts and html code inside headers
  [UPDATE] Bundled Berkeley database updated to 4.5.20	

Sep 28 2006 j-chkmail 1.9.1 - Beta 5
  [BUG] Small corrections on text preprocessor to remove non printable
        characters before passing messages to bayesian filter.

Aug 21 2006 j-chkmail 1.9.1 - Beta 4
  [CHANGES] Bayes filter tokeniser changes to improve filter efficiency
  [CHANGES] ContentCheck is disabled for connexions coming from 127.0.0.1
  [BUGS] Error logging detected virus name at j-xreport file
  [CHANGES] j-bayes-tbx now can completely replace perl scripts
        in the learning chain. Doc to do. 

Jul 13 2006 j-chkmail 1.9.1 - Beta 3
  [CHANGES] bayes database moved from /var/jchkmail to
	/etc/mail/jchkmail directory
  [FEATURE] Bayes score is now part of global message score
  [BUGS] Some bugs and changes applied to bayes-toolbox
	Makefiles

Jun 28 2006 j-chkmail 1.9.1 - Beta 2
  [FEATURE] Bayesian filter implemented...
        Need :
	- some more test
	- better integration and evaluation of global message score
	
Apr 2006 j-chkmail 1.9.1 - Beta 1
  [INTERNALS] map abstraction for BerkeleyDB hashes implemented
        and tested
  [FEATURE] IP addresses to hostname cache implementation. Tested
        with adding and cleaning up data
  [INTERNALS] Cyclic tasks handler implemented and being tested.
  [BUG] Logged messages when rejecting binary messages corrected.
  [BUG] Under some conditions, text log files weren't correctly
        opened.
  [BUG] j-grey-expire log file wasn't included in the list of
	files to rotate when sending "reopen logfiles" to the
	filter
  [FEATURE] Heuristic filter (oracle) checks may now be enabled
	or disabled by users and scores can be changed. This is
	done at a new configuration file.
  [BUG] Some results of j-printstats can't be redirected to some
	file. Solved with patch from Bruno Verlyck
  [BUG] Lock missing in the client side of greylist filter. This
        affects greylist filter only when running in client mode.

Apr 24 2006 j-chkmail 1.9.0 RELEASE
  No change since last Release Candidate

Apr 14 2006 j-chkmail 1.9.0 RC2
  [FEATURE] Validation of greylisting working in mode CLIENT/SERVER
  [CHANGE] Added "RESET GREYERRORS" command to j-ndc tool

Apr 12 2006 j-chkmail 1.9.0 RC3
  [BUG] Corrected some bugs on the handling of compile.conf file

Apr 11 2006 j-chkmail 1.9.0 RC2
  [CHANGE] MIME extraction code was partially rewritten to be able 
	to handle new kinds of spam.
  [FEATURE] Detection by the heuristic filter (oracle) of some spams 
	hidden inside gif messages

Apr 07 2006 j-chkmail 1.9.0 RC1
  [FEATURE] Created file compile.conf to add persistent configuration
        options.
  [CHANGE] Removed code to link j-chkmail against some antivirus
	scanners libraries (sophos and clamav).
  [BUG] URLEXPR expressions no more consider '?' as the end of an URL.
  [FEATURE] Content of log files inside /var/jchkmail work directory 
        may now be redirect to syslog or an UDP server. Options defining
        this files where changed to reflect these new features.
  [FEATURE] A new application will be installed (j-logserver) : an UDL 
	log server to receive log messages (see feature above)
  [BUG] Bug when checking policy for some triplets. Problem noted by
        Tibor Weis.
  [FEATURE] Add recipient checks database (j-rcpt.db) allowing to 
        control recipient access and be able to handle correctly
        recipient address existence.
  [CHANGE] Logging now includes the reply code returned to the SMTP
	client when applicable.
  [CHANGE] Spool file is open at the first header or body, instead
        of at from command.
  [BUG] Corrected j-regex configuration file handling bug. ANYWHERE
        tag caused expression to be used also in place of URLSTR and
	URLEXPR (so, used more than once).
  [BUG] Bad error handling when the number of open streams is 
        exceeded (when reading notify message file)
  [CHANGE] CF_LOG_ATTACHMENTS allows now to log all attached files
        into /var/jchkmail/j-files, instead of syslog. Problem noted
        asked by Stephane Lentz
  [FEATURE] URL filtering can now check numeric URLs.

Jan 03 2006 j-chkmail 1.8 - First official 1.8 release 
  [UPDATE] Graphic tools (contrib:rrd-jchkmail) updated to draw
        stats about greylisting

Dec 13 2005 j-chkmail 1.8 RC4
  [CHANGE] get-urlbl and Makefile.db files were changed to reflect
        changes on how the URLBL rsync server works.
  [CHANGE] Bundled BerkeleyDB software upgraded to 4.4.16

Nov 24 2005 j-chkmail 1.8 RC3
  [BUG] Compiling j-chkmail error on j-mxcheck.c file. Problem
        noted by Konstantin Symorot

Nov 23 2005 j-chkmail 1.8 RC2
  [BUG] Bad compile options with gcc and Solaris 9 and 10, sparc
        and X86 architecture.
  [CHANGE] Messages were checked and corrected by Dennis Peterson,
        mainly about english problems... 8-( j-chkmail developper
        speaks C better than english. Thanks Dennis.
  [BUG] Misinterpretation of j-nets defined netmasks when the filter
        is compiled in 64 bits mode - Solaris. Thanks to Veronique
	Bouzid.

Nov 10 2005 j-chkmail 1.8 RC1
  No difference from last Beta version

Nov 07 2005 j-chkmail 1.8 - Beta 8
  [FEATURE] j-check-message command line tool was added to distribution.
        This is a command line tool similar to j-scanfile, but to check
        message content against anti-spam rules : regular expressions,
        heuristic filter and URLBL.
  [CHANGE] Scanning of ISO-2022 charset messages was reenabled again.

Oct 28 2005 j-chkmail 1.8 - Beta 7
  [BUG] Log of rejected messages done before the DATA command wheren't
	logged as they should be

Oct 21 2005 j-chkmail 1.8 - Beta 6
  [BUG] Under some conditions, under old Linux kernels, the supervisor
        could use all available CPU if a child died.
  [BUG] Some connections rejected at connection time weren't included
	in the history.
  [BUG] Within some cases some recipients weren't checked against 
	policy database to check if messages to them shall be checked
	against content.

Oct 14 2005 j-chkmail 1.8 - Beta 5

  [CHANGE] CONTENT_CHECK configuration option removed use SPAM_REGEX
        SPAM_ORACLE and SPAM_URLBL options
  [CHANGE] When logging connection results, and the event to log is after
        RCPT comand, one line is generated for each recipient.
  [BUG] Exception error when the SMTP client hostname is empty : buggy
        DNS declarations...
  [FEATURE] FROM_PASS_TOKEN and TO_PASS_TOKEN configuration options added
	allowing to generate handling exceptions. Ex: if you run a good
	list server such as "Sympa" and if you declare :
	   TO_PASS_TOKEN     -owner@
        and at j-policy database you declare :
	   GreyCheckTo:-owner@lists.domain.com	NO
        and bounce addresses of your list are of the form 
	    listname-owner@list.domain.com
	Bounces won't be greylisted. This is a good idea. Asked by
	Serge Aumont.
	You can also use this to let some messages with executable
	files pass through the filter. In this case, you define :
	   TO_PASS_TOKEN       +somerandomtoken@domain.com
	and add to your j-policy database :
	   XFilesCheck:+somerandomtoken@domain.com     NO.
	In this case, messages sent to :
	   user+somerandomtoken@domain.com
	won't be checked against XFiles

Oct 07 2005 j-chkmail 1.8 - Beta 4

  [CHANGE] Default log messages is now one line per message.
  [CHANGE] DNS resolve check is no more applied to clients from known
	networks
  [BUG] SPAM_URLBL doesn't work when SPAM_REGEX isn't enabled at the
	the same time

Sep 28 2005 j-chkmail 1.8 - Beta 3

  [CHANGE] Bundled PCRE updated from 5.0 to 6.4 version - resulting from
        vulnerability found in PCRE code
  [CHANGE] Little changes to run on Tru64 OS
  [FEATURE] Grey activity counters (GREYMSGS and GREYRCPT) added to stats dump
	file
  [FEATURE] Log events changed from multiline to a single line. A configuration
        option was added to be able to use multiline logs.
  [FEATURE] LOG_ORACLE_LEVEL configuration option added to control how much 
	information is logged by the heuristic filter.
  [FEATURE] Two new files are installed at /etc/mail/jchkmail : 
	j-chkmail.cf.default and j-chkmail.cf.running. You can use this files 
	to upgrading your configuration file. j-chkmail.cf.running can probably
	replace previous configuration file

Sep 07 2005 

  [BUG] - Error when evaluating default Connection Rate limit from
        policy database. Problem pointed out by Serge Algarotti
  [FEATURE] - Counters now dumps the number of messages/recipients
        greylisted.
  [FEATURE] Checks to be applied to EHLO parameter can now be defined
        with configuration option BADEHLO_CHECKS.
  [FEATURE] Equivalent domains on greylist domain check. Added
        GreyEquivDomain tag to policy database. Ex :
	   GreyEquivDomain:minesparis.fr	ensmp.fr
  [CHANGE] Structure (and size) of history record (/var/jchkmail/j-history) 
	file changed to accomodate some new data. Old file shall be removed
        when upgrading to this version.        
  [CHANGE] Greylisting reply code changed from 451/4.7.1 to 451/4.3.2
        to solve problems with some @_(#@@@{ Interscan mail servers.
  [CHANGE] GREY_REPLY environnement variable handling added to be able to
        change greylisting reply code and message. The value of this 
        variable shall be set at /etc/default/jchkmail file, this way :
           GREY_REPLY="451 4.3.2 Hi Joe ! I'm busy now : come back later !"
           export GREY_REPLY

Aug 11 2005 j-chkmail 1.8 - Beta 1
  [BUG] Problem when using spam filter results to expire greylisting
        database entries. Noted by Dennis Peterson and Serge Algarotti
  [FEATURE] Bundled BerkeleyDB package upgraded to 4.3.28 patched by
        Claus Assmann, given a bug on 64 bits OSs.

Aug 03 2005
  [BUG] Bug refreshing grey whitelist
  [FEATURE] Add "-m rg" option to j-printstats to show which SMTP
        clients had been greylisted.

Aug 01 2005 - j-chkmail 1.8 - Alpha 21
  [CHANGES] Some configuration variables had changed leur name or were
        added :
        QUARANTINE_MAX_AGE        -> QUARANTINE_LIFETIME 
        GREY_MAX_AGE_NORMAL       -> GREY_VALIDLIST_LIFETIME
        GREY_MAX_AGE_NULLSENDER   -> removed
        GREY_REPLACE_NULLSENDER   -> removed
        GREY_WHITELIST_LIFETIME   -> new
        GREY_BLACKLIST_LIFETIME   -> new


Jul 16 2005 - j-chkmail 1.8 - Alpha 20
  [FEATURE] Possibility of logging all info on a single line. To do this
        j-chkmail shall configured with tmp/config script
         tmp/config ONELINELOG
        This feature is still changing.
  [CHANGE] CHECK_BAD_HELO - new check added - if helo parameter is an IP
	address, checks if this address is bounded by brackets.
  [BUG] Corrected bugs on versions jchkmail-1.8-050621 to jchkmail-1.8-050708
        when checking EHLO conformance
  [CHANGE] j-chkmail returns an temporary reject when external scanner
        returns an error, instead of accepting the message. Behaviour change
        asked by Stephane Lentz.
  [BUG] Erroneous error messages appearing during greylist database purge.

Jul 02 2005 - j-chkmail 1.8 - Alpha 19
  [BUG] Bug handling policy database when both DEFAULT and domain name
        conditions are defined. Bug detected by Tibor Weis
  [FEATURE] j-greylisting database generation activated.

Jul 01 2005 - j-chkmail 1.8 - Alpha 18	
  [FEATURE] Added handling of triplets (Connect/From/To) to policy
        database.
  [FEATURE] Added checking of ContentCheck, XFilesCheck and VirusCheck
        tags to policy database
  [BUG] Circunvented problem with sendmail which counts greylist rejections
        as being "unknown users" and increments nb_badrcpts macro value.
  [BUG] BAD_EHLO check moved from mlfi_ehlo to mlfi_from callback. Problem
	remarked by Sebastien Cat.
  [CHANGE] greylist database changed.

Jun 10 2005 - j-chkmail 1.8 - Alpha 17
  [CHANGE] Default values for connection rate adjusted
  

Apr 25 2005 - j-chkmail 1.8 - Alpha 16

  [CHANGE] Default list of unsafe file extensions moved from hardcoded .c 
        file into top/xfiles.def file. Users can edit and change this file 
        before configuring and compiling j-chkmail.
  [FEATURE] "-x" option added to j-chkmail to show default XFILES extensions.
  [FEATURE] Added help command on control channel
  [FEATURE] j-rotate script to rotate log files (once a month ?)
  [FEATURE] Two environnement variables added 
	PERIODIC_AUTO_RESTART="1d" - to periodically restart j-chkmail
	HIGH_LOAD_AUTO_RESTART="yes" - automatically restart j-chkmail
        if server CPU load is greater than 95 % for longer than 5 min.
  [BUG] Load measurement bug under Debian Linux - problem noted by Serge
	Algarotti
  [FEATURE] j-greyd greylisting server developped to be used by more than
        one filter
  [FEATURE] Add grey mode (STANDALONE or CLIENT). Client mode works with 
        greyd server
  [BUG] uuencoded xfiles isn't handled correctly, after some code cleaning.
  [FEATURE] NetClass, ConnRate and ConnOpen definitions implemented  at 
        j-policy database implemented.
  [FEATURE] DESIGNATED_QUARANTINE implemented as a way to quarantine 
        designated recipients, senders or smtp clients.

Mar 03 2005 - j-chkmail 1.8 - Alpha 13 
  
  [FEATURE] Policy database being implemented. Begin migration of j-chkmail 
	configuration data into it. Using j-makemap to create j-policy 
	database from j-policy.txt. Using j-policy database can be enabled
	if _FFR_DBPOLICY macro is defined at compile time.
  [CHANGE] Reply messages can be configured on policy database. Look at 
	etc/j-policy.txt for examples, and valid tags.
  [CHANGE] Network Classes (LOCAL, DOMAIN and FRIEND) can be defined at 
	policy database. Also, general names, other than these, can now 
	be used to declare network classes. Host and domain names can be 
	used to declare network clases.
  [CHANGE] Connection rate can be declared at policy database, per IP 
	addresses, IP networks, network classes and domains.
  [INTERNAL] XXX rates source code rewrotten to allow more more flexibility 
	on adding new parameters to limit rate.
  [FEATURE] Bounce rate measurement (per client) code added.
  [INTERNAL] DNS query code added to allow query for MXs and other DNS 
        contents.
  [FEATURE] Check MX of sender address added. This feature allow to block 
        senders having known BAD MXs or MXs on local network.
  [FEATURE] Check of NULL SENDERs sending messages (bounces)
        to more than one user.
  [FEATURE] Measure of bounce rate per client IP address
  [FEATURE] Add size criteria to declare XFILE definition - defined
        at /etc/mail/jchkmail/j-xfiles
  [FEATURE] Create /var/jchkmail/j-xreport log file, with detailled
        data about blocked messages containing XFILES
  [FEATURE] j-ndc allows to change all configuration values,
        except file extensions and communication sockets.
  [FEATURE] j-ndc new command to reopen log files
  [PORT] Integration of libbind from bind 9.3, in order to provide
        multithreaded versions of DNS calls (res_n...).
  [CHANGE] Changing how default set of unwanted charsets are
        defined :
	- configure script option : --with-ucharset=LISTE
        - internal hard coded list if not defined at configuration
	  time
  [FEATURE] Defined new environnement variable JCHARSET, to 
        override software defined unwanted charsets. If the
        environnement variable is defined and is empty, only
        charsets defined at j-oracle configuration file is
        taken into account.
  [PORT] Berkeley DB source code included in j-chkmail distribution.
        To use it, you shall, before configure j-chkmail, build
        BerkeleyDB library (build, but not install it...) :
          cd libdb
          ./Build
  [BUG] At some situations Base64 decode of some malformed messages
        could lead to errors under Solaris
  [FEATURE] Added measurement of message rate and service time rate
        to short history.
  [FEATURE] Validate configuration option CHECK_BADEHLO. If set, this
        connections coming from unknown clients with bad ehlo parameters
        will be rejected.
  [FEATURE] Two configuration options added :
	  SCORE_ON_SUBJECT_THRESHOLD
	  SCORE_ON_SUBJECT_TAG
	These options work with existing SCORE_ON_SUBJECT option.
        If SCORE_ON_SUBJECT is set, then tag on subject line is added
	if message score is greater than SCORE_ON_SUBJECT_THRESHOLD.
        If SCORE_ON_SUBJECT_TAG is defined, the content of this tag
        will precede original subject. If not, new subject tag will
	be preceeded by something like [J-XXX], where the count of
	Xs is the message score.
  [FEATURE] Greylisting added
  [INTERNALS] j-policy syntax frozen
  [FEATURE] Passthrough feature added, allowing to pass through the
        filter without content checking (xfiles, virus and spam).

Jan 06, 2005 - jchkmail - 1.7 release
   [BUG] Wrong base 64 decode of some malformed messages under Solaris
   [PORT] Correct some port problems under Tru64

Dec 20 - jchkmail  - 1.7-RC5
   [BUG] Lock conflit when logging Pattern matching results,
      may relaunch filter. This problem appeared only on FreeBSD.

Dec 02 - jchkmail  - 1.7-RC4
   [BUG] Disabled a debug flag where messages spending more than
      10 secs to be handled remained in quarantine
   [CHANGE] Quarantined messages containing XFILES have now the
      suffix ".xfile" appended. This allows to identify files
      on the quarantine directory when they are there as they
      have an XFILE attached or if the filter was killed without
      closing open connections.
   [FEATURE] Quarantine management script included on the distribution
      Contribution from Christian Pelissier.
   [BUG] Address extraction on SPAMTRAPs problem. Corrected.
   [CHANGE] j-urlbl database is now distributed on compressed format.

Oct 14 - 1.7 RC3
   [BUG] j-chkmail doesn't compile if target machine doesn't have
      auto(conf|make) tools installed

Sep 30 - 1.7 RC2
   [CONFIG] get-urlbl and Makefile.db scripts needed to create
     URL blacklist are installed at /etc/mail/jchkmail directory.

Sep 14 2004 
  j-chkmail 1.7 RC1
  [FEATURE] Environnement variables. Some variables were defined :
    These variables are to be set usually at default configuration
    scripts : /etc/default/j-chkmail or /etc/sysconfig/j-chkmail
    - XFILEs extensions         FILE_EXT
    - libmilter debug level     MILTER_DEBUG_LEVEL
    - filter log level          JCHKMAIL_LOG_LEVEL
    - database cache size       DB_CACHE_SIZE
  [FEATURE] Some scripts created at bin directory. Not installed
        by default
        - get-urlbl - update URL database. To be launched by cron
        - j-ndc - script to connect to control channel and control
          and query the filter
  [BUG] Some MIME Content-Disposition/Content-Type could be bad
        interpreted when some virus add spaces around "=" sign.
  [CONFIG] Some configuration options added.
        - timeout waiting for external scanner
        - max message size to pass to external scanner
        - Internal options for sophos scanner
  [FEATURE] get-urlbl script to rsync and install urlbl.
  [FEATURE] Support for Sophos SAVI - integrate sophos libraries
        into j-chkmail filter, and a scanner daemon.
  [FEATURE] sophosd - a daemon doing virus scan and using Sophos
        savi library.
  [FEATURE] Block messages coming from NULL SENDER, when the
        number of recipients is greater than one and the connection
        comes from an unknown network.
  [FEATURE] Detect messages which body is empty or near empty.
  [FEATURE] Check enveloppe addresses syntax
  [CHANGE] Internal protocol between j-chkmail and the external
        scanner changed to put allways a return code on each line.
  [FEATURE] XFILES 
        * Possibility of add TNEF and CLSID files to XFILES 
          class. Validation is done at j-xfiles configuration file.
        * Detection of message/partial and message/external
          MIME content type is integrated into j-chkmail code (no
          more as FFR). Validation of this as a XFILE is done
          at j-xfiles configuration file.
        * It's now possible to completely define what XFILES are
          at j-xfiles configuration file. Nowadays j-chkmail.cf
          FILE_EXT et FILE_REGEX will be obsoleted sometime 
          in the future.
  [FEATURE] Policy database... Under construction...
  [CHANGE] Message content is now checked before calling external
        virus scanner (the order was inversed)
  [CHANGE] Integer configuration values of j-chkmail.cf file can be
        now expressed with units :
	   Time   :  s,m,h,d default = s
	   Units  :  (K,M,G) -> (1024, 1024**2, 1024**3)
  [FEATURE] Adding option to setup BerkeleyDB cache size (configuration
        file and environnement variable)
  [UPDATE] Bundled PCRE updated from 4.4 to 4.5

Jun 11 2004
  j-chkmail 1.7 Alpha-7
  [FEATURE] HELO/EHLO parameter check : numeric vs value
  [FEATURE] URL Blacklist - database and/or DNS based.
  [FEATURE] j-makemap tool to create database (j-chkmail equivalent of
       sendmail makemap). Needed to create URLBL database.
  [CHANGE] /var/jchkmail/j-regex format changed to include both pattern 
       matching and URL blacklist logging.
  [CHANGE] j-regex-stat.pl modified to correctly handle new j-regex
       file format.
  [FEATURE] - j-dburlbl-stat.pl script added to generate statistics
       about URL blacklist detection. Changed to j-urlbl-stat with
       three possible parameters
           j-urlbl-stat -t DBURLBL
           j-urlbl-stat -t URLBLSTR
           j-urlbl-stat -t URLBLEXPR	
  [FEATURE] CPU load measure under FreeBSD
  [CHANGE] IP address information added to /var/jchkmail/j-files.
       j-xstat.pl contrib/script modified accordingly.
  [BUG] Error decoding filename with spaces in a uuencoded
       attachment
  [OPTION] "z" command line option. This option makes the daemon set
       work directory to "/tmp" instead of "/"., in order to allow core 
       dump when debug is needed.
       Check documentation for details.
  [FEATURE] New command defined for the control channel 
       which prints the histogram of message scores (# of Xs).
		STATS SCORES
		STATS ORASCORE
		STATS REGSCORE
  [BUG] Quoted Printable decoder - some tricky qp coded messages could
       generate an error.
  [OPTION] Compile time option _FFR_REGEX_ACCESS added to select if
       j-access address matching is regular expression based. To
       activate this, j-chkmail shall be configured with :
          ./configure ...OPTIONS...  CFLAGS="-D_FFR_REGEX_ACCESS=1"
  [OPTION] CLUSTER option added to j-chkmail.cf configuration file. Setting
       this option to yes will allow using j-chkmail in a cluster sharing
       resources. This option changes two things :
       - "Connect from" log line will show the hostname of the mailserver,
         as defined by the Macro $j. This is necessary when the filter
         is shared between multiple mail servers
       - j-chkmail spool filename will created with the mailserver hostname
         prepended to the connection ID. This is neccessary when the
         spool is shared by multiple filters.
  [CHANGE] - Connection rate control and Open connections control are now
       alse checked at connection time (instead of only at helo callback),
       to prevent from gateways abusing the delay between CONNECT and
       EHLO.
  [CHANGE] AVL binary tree management module was completely rewritten and
       recursion removed to solve some segmentation fault issues under FreeBSD.
  [FEATURE] Two new kind of lines created at j-regex configuration file
       for faster URL pattern matching : URLEXPR and URLSTR.
  [CHANGE] Under FreeBSD, start-up script was renamed from jchkmail.sh to
       jchkmail, to best conform with FreeBSD rules.
  [FEATURE] New configuration option SCORE_ON_SUBJECT. If set, the spam score
       will be also represented on the Subject Header as a number of Xs in a
       tag of the kind [J-XXX]
  [CHANGE] Under sendmail 8.13.0, j-chkmail will close SMTP connection 
       instead of simply sending an error DSN, in certain cases : 
         - too much open connections
         - connection rate exceeded
         - global number of file descriptors too high
         - too much bad recipient errors
  [CHANGE] Rejecting intranet users from external messages no more
        checks host address part against class W. You shall define
        intranet users in one of these three ways :
        -  user@host,  user or @host
  [CHANGE] Results of control channel commands 
             STATS ( SCORES | ORASCORE | REGSCORE )
           is now presented in cumulative mode

	
Apr 09 2004
  j-chkmail 1.6 RC3
  [CHANGE] __TO__ variable defined at j-error-msg configuration file
       and set to use "To" header.
  [UPDATE] j-printstats reports also number of virus detected when
       launched with options "-q -m x".
  [UPDATE] All references to j-host-access were finally removed.
  [UPDATE] USE_TCPWRAPPER configuration option removed as TCP Wrapper
       is no longer needed to control access to control channel
  [BUG] j-printstats -q doesn't print individual individual connection
       rate for smtp clients when connection rate control isn't enabled.
  [BUG] NO_RESOLVE_CHECK wasn't handled correctly.
  [DOC] Some more doc...

Mar 30 2004
  j-chkmail 1.6 RC2
  [UPDATE] j-xstat.pl script (contrib/scripts) was updated to handle
       j-files and checking quarantine directory contents using or
       ClamAV clamdscan, McAfee uvscan or Sophos sweep, to identify
       blocked virus.
  [BUG] Imcomplete code at load measure functions, under FreeBSD and
       TRU64. Code fully implemented only on Solaris and Linux platforms.
  [DOC] Some more lines inserted at FAQ.

Mar 22 2004
  j-chkmail 1.6 RC1
  [FEATURE] PCRE was integrated to the package - no more need to 
       install PCRE as an external package and configure it.
  [BUG] Some installation issues regarding rpm packaging and configuration
       files not being installed at default places. Thanks to Robert Schmitt.
  [TEST] Using NO_RESOLVE_CHECK was validated - no more need to use the
       j-host-access configuration file. Entries at this file shall be
       replaced by entries of the following kind at j-access configuration
       file :
             Connect:IP_ADDRESS      NO_RESOLVE_CHECK
  [TEST] Validation of saving quarantined messages at UNIX text format
       instead of SMTP text format.
  [BUG] Corrected bug at j-xfiles configuration file handling. This bug
	could generate bad interpretation of normal files.

Mar 04 2004
  j-chkmail 1.5-Alpha-3
  [FEATURE] Added file /var/jchkmail/j-virus, which is the equivalent of
       j-files, and allows to get stats from virus. Each virus is logged
       at this file, with msg id and timestamp and smtp client ip address.
  [BUG] Found a bug (possibility of buffer overflow) on the statistical 
       evaluation of message word length (oracle).
  [CHECKING] External virus scanner tested with Trendmicro. Thanks to
       Cove Schneider, who adapted the perl script and did the tests.
  [DOC] Added some installation doc to the rrdtool-jchkmail directory.
  [CHANGE] Add checking to existence of initialisation scripts at
       /etc/sysconfig/jchkmail and /etc/default/jchkmail. As startup script
       is overwritten after each software update, it's  interesting to have 
       way to save persistent startup options.

Mar 01 2004
  j-chkmail 1.5-Alpha-2
  [FEATURE] Added support for ClamAV, using libclamav (experimental). 
     j-chkmail shall be configured and linked with clamav. Shall be configured
     as :
        ./configure --with-clamav=/path/to/clamav/root

	j-chkmail.cf shall be configured as follows :
        CLAMAV_ACTION              WARN
        CLAMAV_DBDIR               /opt/clamav/db
        CLAMAV_SAVE                YES
        CLAMAV_MAXSIZE             0

Feb 26 2004
  j-chkmail 1.5-Alpha-1
  [FEATURE] Added support for ClamAV, using clamd. No need to link
     with libclamav.  (experimental).
     Configure j-chkmail.cf as following to use clamd :
        SCANNER_ACTION             WARN
        SCANNER_SOCK               inet:3310@localhost
        SCANNER_PROTOCOL           CLAMAV
        SCANNER_SAVE               YES

Feb 23 2004
  j-chkmail 1.5-040223 - AKA j-chkmail-1.5-Alpha-1
  [CHANGE] Scripts to handle new format of j-stats file were finished.
  [BUG] Boundaries detection when some special characteres appear at
	boundary string.
  [CHANGE] A new configuration file was created (j-xfiles) allowing one
        to adding new options do xfiles definition, based at the same time
        on the mime type and a regular expression for the filename.

Feb 12 2004
  j-chkmail 1.5-040212
  [BUG] Corrected external antivirus interface problem. Checked under Solaris

Feb 09 2004
  [BUG] Error when closing connection generating spurious process
        under Linux.
  [FEATURE] STATS CONNOPEN command added to the control channel.

Feb 02 2004
  j-chkmail 1.5-040202
  [DOC] A FAQ begins to be constituted at doc directory.
  [BUG/CHANGE] configure script was modified to better detect PCRE
        and Berkeley DB libraries.
  [PORT] First port to Hewlett-Packard HPUX 11.11. TODO - minor changes
	to be able to run under HPUX 11.00. Thanks to Emmanuel Collignon
        from Universite de la Rochelle.
  [FEATURE] Adding support to RBL check at the oracle (experimental)
  [FEATURE] Adding support to SpamTraps (experimental)
  [CHANGE] all dependencies of old libcompat were removed.
  [CHANGE] /var/jchkmail/j-stats file format has changed. Scripts on
        contrib directory are being changed to handle new file format.

Jan 21 2004
  j-chkmail 1.5 040121
  [CHANGE] Specific build directory created for j-makemap. j-makemap will 
        be the equivalent of sendmail makemap tool, used to create and 
        dump database files.
  [CHANGE] Changes at the oracle - the weight of some tests were changed, 
        and some new statistical tests were created and had a first 
	validation.
  [CHANGE] j-checkspam tool was created allowing to check message files by 
	hand. The interest is to help developpement and maybe be a first
        prototype of what could be a postfix version of j-chkmail.
  [LICENSE] Changed from usual GPL open source model to a closer model. 
	Redistribution is no more allowed, and access to j-chkmail is 
	given only to to registered users

Jan 01 2004
  j-chkmail 1.5 0101

  [FEATURE] Support being added to use Berkeley DB with some configuration 
	files.
  [CHANGE] Code cleaning after validation of old features.
  [CHANGE] Specific build directories created for j-scanfile and j-printstats
	tools.

Dec 15 2003 - Jose Marcio Martins da Cruz
  j-chkmail 1.5

  [FEATURE] -m and -n options added to j-chkmail to generate commented current 
	runtime configuration and default 
        configuration files.
  [FEATURE] one thread was create on the filter server to be able to handle 
	commands and queries from an external source - See CTRL_* configuration
	options.
        At the moment, the following commands work :
            STATS ORACLE
            STATS THROTTLE
            STATS CONNRATE
            STATS CONNOPEN
            STATS COUNTERS
            RESET STATS
            RELOAD TABLES
            RECONFIG
            RESTART
        A simple perl client (j-ndc) was created (look for it at bin directory) 
	to contact the control
        channel.
  [CHANGE] configuration options names of variables used to check message 
	contents were changed to become more understandeable.
  [FEATURE] A simple client was added to the filter, in order to replace 
	features related to external scanner. For the while, the external 
	scanner may  be launched by inetd - see example at contrib/ufilter 
	subtree. Some day on the future, the client will be able to talk 
	to sophie and other external scanners.
	See SCANNER_* configuration options. Experimental.
  [DOC] INSTALL file received some useful information...
        Read it for some basic instructions on how to install/upgrade j-chkmail
	from previous versions.

MMM DD 2003 - Jose Marcio Martins da Cruz
  j-chkmail 1.4

  [FEATURE] -m option added to j-chkmail to create configuration file from 
        runtime configuration
  [BUG] Checking X-Files of base 64 encoded file names
  [CHANGE] Remove useless caracteres (e.g. spaces, points...) at end of file 
        before checking if it's a XFile. Only one charactere was removed 
        before.
  [BUG] Bug checking filenames against regular expressions.
  [FEATURE] - sendmail message id is now logged with milter
	logs.
  [FEATURE] - Content checking engine was completely rewritten
	allowing checking inside coded mime-parts
  [FEATURE] - Content checking now supports also taging messages instead 
        of simply reject. Moreover, there are now two spam levels of content 
        checking :
	- greater than CONTENT_CHECK_SCORE
	- greater than 0 and lower than CONTENT_CHECK_SCORE
	You can define what to do for both cases : reject, discard or 
        simply add a X-j-chkmail-Score header.	
  [FEATURE] - Add somme fuzzy verifications called "ORACLE". Activate it 
        with SPAM_ORACLE configuration switch
  [FEATURE] - Preliminar score definition combining results from content 
        checking score and oracle score. Final score is presented as the 
        number of 'X's on the X-j-chkmail-Score header.
  [FEATURE] - Added support to use PCRE instead of native REGEX libraries - 
        engine goes two times faster. It really rocks...
	Tested with pcre 4.3 version pcre can be obtained at :
	 ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/
  [FEATURE] - script to do statistics of content checking. 
	Working in progress. Check it in the contrib tree
  [FEATURE] - some more j-printstats query options
  [FEATURE] - checking more gateway behaviour - dictionnary attacks and too 
        much open connections
  [CHANGE] - Process specific state files (socket and pid) default directories 
        were changed from /var/jchkmail to /var/run, as this last directory 
        is cleaned up at boot time under some OSs (Solaris, at least)
  [FEATURE] - Begin using j-user-access file, to allow change filtering 
        behavior for some particular sender addresses of smtp clients.
  [PORT] - Ported to FreeBSD, Tru64 and NetBSD - Thanks to Emmanuel Dreyfus 
        and Michel Bidaud
  [BUGS] - Corrected some bugs on checking subject and sender content. 
        Pb. signaled by Russell Berry.
  [CHANGE] - Configuration options UNIX_SOCK and INET_SOCK removed as they 
        were causing confusion
  

Nov 03 2003 - Jose Marcio Martins da Cruz
  j-chkmail 1.3.1d Release
  [BUG] Bug checking filenames against regular expressions.

Sep 25 2003 - Jose Marcio Martins da Cruz
  j-chkmail 1.3.1c Release
  [PORT] j-chkmail now works under FreeBSD
  [BUG] Option NO_FROM_HEADERS, rejecting messages from
    NULLSENDER (<>) - corrected
  [BUG] Content checking of Headers doesn't works
    corrected

Sep 08 2003 - Jose Marcio Martins da Cruz
  j-chkmail 1.3.1b Release
  [BUG] Corrected problem with WARN_SENDER disabled.

Jul 03 2003 - Jose Marcio Martins da Cruz
  j-chkmail 1.3.1a Release
  [BUG] Corrected problem when defining multiple FILE_EXT or
    FILE_REGEX lines at configuration file

Mar 18 2003 - Jose Marcio Martins da Cruz
  j-chkmail 1.3.1 Release
	[BUG] Check to see if configured external scanner exists and
	  if j-chkmail has execution access.

Mar 07 2003 - Jose Marcio Martins da Cruz
	j-chkmail 1.3.1RC5
  [FEATURE] - -q option added to j-printstats. Allows query
	   about gateway activity during some past time period
           Try j-printstats -q
               j-printstats -q -l 86400 
	       j-printstats -q -l 6h hostname
               j-printstats -q hostname
	[FEATURE] start-up script modified to be compatible with LSB
	  (Linux Standard Base Specification) - contributed by Michel
	  Gaudet
  [BUGS/CHECKING] Some little bugs corrected, mainly, 
	[FEATURE] - Better DoS protection against 
	[FEATURE] - Some configuration options added. See j-chkmail.cf
	  configuration file
	[BUGS] - Some minor bugs corrected :
          - libsm check when configuring - Check deleted as this 
	    check is no more needed - Pb noted by Serge Algarotti
          - Linux snprintf bug causes bad interpretation of FILE_EXT
            configuration option - Pb noted by Michel Gaudet
	  - socklen_t not defined under Solaris 6 - Problem remarked
	    by Pascal Cabaud
	  - wrong error message when rejecting connections with high 
	    recipient throttle

Dec 05 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.3 Release
	[BUG/CHECKING] - Global checking of new features and some
	  code cleaning. Very little bugs between last RC and final release
	[CHANGE] - Default configuration directory changed from /etc/mail
	  to /etc/mail/jchkmail, as suggested by J. D. Bronson.
	[BUG] - TAGS inside comment lines inside j-error-msg file were 
	  taken into account.

Oct 15 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.3RC7
	[BUG/CHECKING] - Body content checking testing done with the help 
	  of Ayamura.Kikuchi
	[FEATURE] - Content checking of HELO command. Suggested by
	  Ayamura Kikuchi.
	[UPDATE] - Code for content checking of all headers finished.
	[FEATURE] - script to generate weekly statistics (look for it
	  at contrib/scripts directory)
	[FEATURE] - Configuration parameters of periodic cleaning up of 
	  old quarantined files :  CLEANUP_INTERVAL and QUARANTINE_MAX_AGE.

Oct 08 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.3RC6
	[FEATURE] - Content checking has two new parameters and the other
	    one has changed
	  CONTENT_CHECK_SIZE - to check message contents only if message size 
	    is below specified parameter
	  CONTENT_CHECK_ORIGIN - to check message contents comes from anywhere
            or only if message comes from unknown IP networks.
	  CONTENT_REGEX_MATCHES changed to CONTENT_CHECK_SCORE. Score needed
	    to reject a message is no more the number of matches, but the
	    sum of weights (each regular expression may have a different
	    weight on the decision to reject the message).In order to realize
	    this, a new weight parameter was added to j-regex file.
	[FEATURE] - now checks contents of base 64 encoded message body.
	[FEATURE] - added __MSGID__ parameter to j-error-file, to indicate 
	  the file name of quarantined message.
	[FEATURE] - added periodic cleaning up of spool directories with 
	  cleaning periodicity and max age configurable.
	[BUG] - j-chkmail stops logging when it receives a HUP signal to reload
	   configuration (/etc/init.d/jchkmail reload). Problem noted by 
	   Jeff. D. Bronson
        [BUG] - jchkmail start-up script. Now verify and delete pid file before
	  launching j-chkmail if there are no daemons running. Thanks to 
	  Patrick Gatt who remarked the problem and proposed a solution.
	
Oct 04 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.3RC5
        [UPDATE] Some documentation updates, some checks...
	
Sep 30 2002 - Jose Marcio Martins da Cruz
	[FEATURE] - Content check code is completed. Body and body content
          may be verified agains a list of regular expressions. If the number
	  of matches is greater than the threshold, message is rejected.
	  Experimental feature. Too much time consumming.
	[FEATURE] - Messages which body is completely encoded in base64 or
	  quoted-printable to avoid content checking may be refused. I'm
	  not talking about attachment encoding, but entire message body 
	  encoding. Experimental feature - don't use it as it may block
	  legitimate messages.
	[BUG] Problems when configuring j-chkmail to use tables in the
	  database format. Corrected, but this is allways an experimental 
	  feature.
	
Sep 24 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.3RC1
        [FEATURE] - this minor address the vulnerability generated by sending
	  fragmented messages (message/partial MIME type).
          Problem reported by the alert 
            http://www.securiteam.com/securitynews/5YP0A0K8CM.html
	[FEATURE] - some minor changes to verify the vulnerability of sending
	  attached files by reference (message/external-body MIME type).
	  At the moment, this vulnerability wasn't announced anywhere, in
          my knowledge.
	[FEATURE] External (antivirus or spam) scanners are now launched 
	  by a pre-forked server instead of a concurrent server.
	[FEATURE] Interface to user defined mail scanner.
	[FEATURE] Configuration tables storage format selectable between
	  text files or database files (db, ndbm or gdbm) formats. This is
	  experimental. Not all tables are already ported to database 
	  formats.
	[FEATURE] Mail filtering according to mail gateway DNS resolution 
	  (failure or forged)
	[FEATURE] Access (black/white list), allowing to override bad DNS 
	  resolution results.
        [FEATURE] Temporal quota management of number of connection allowed 
	  to gateways without or forged DNS declarations.
	[FEATURE] More options add to j-printstats (see j-printstats -h)
	[PORT] j-chkmail was tested under Solaris 9. Thanks to J.B. Bronson
	  from Aurora Health Care Center
	[BUG] - Some configure values - mainly directories - were not taken 
	  into account 
	[UPDATE] Validation of j-chkmail under FreeBSD platforms. 
	  Thanks to Stephane Lentz and Egon Niederacher.
	[UPDATE] As allways, code related to experimental features was replaced
	  by cleaner and optimised code as soon as experimental features 
	  becomes validated.
	[FEATURE] - validation of experimental features of previous versions

Sep 18 2002 - Jose Marcio Martins da Cruz
        j-chkmail 1.2p1
        [FEATURE] - this minor address the vulnerability generated by sending
	  fragmented messages (message/partial MIME type).
          Problem reported by the alert 
            http://www.securiteam.com/securitynews/5YP0A0K8CM.html

Jul 01 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.2
	[BUG] - Antivirus interface does not handle SIGINT signals correctly.

Jun 20 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.1
	[FEATURE] - Possibility of mail filtering based on the connection rate,
	  the recipient rate of peer and the number of recipients of the 
	  message.
	  This is an experimental feature.
	[FEATURE] - option to change the SUBJECT header when sending warning 
	  messages
	  This is an experimental feature
	[FEATURE] - Reject messages if headers contains
	  <HTML> or <SCRIPT> tags
	  This is an experimental feature
	[BUG] - j-chkmail dies when reloading configuration file under Linux, 
	  after receiving a SIGHUP. This is a problem of what Linux thinks a 
	  thread is.
	[UPDATE] - configure scripts were updated in order to be compatible 
	  avec new versions of GNU autoconf and automake 

	TAKE a look at README

Jun 07 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.1 RC2 Release
	[BUG] - connection clean-up didn't free all storage in some special 
	  conditions
	[BUG] - av server daemon wasn't launched when reloading configuration
	  and changing an checking
	[FEATURE] - command line options added to j-printstats
	[BUG] - j-chkmail.cf man page was installed in section 5 instead of 
	  section 4 (File Formats)
	[BUG] - State files were, by default, installed at /var/tmp, instead 
	  of /var/jchkmail
	[FEATURE] - added "with-work-dir" and "with-spool-dir' options to 
	  configure script in order to configure default values for this 
	  directories at compile time
	[FEATURE] - add RESOLVE_FAIL and RESOLVE_FORGED options to reject 
	  connection if {client_resolve} sendmail macro returns FAIL or 
	  FORGED for the relay. This is an experimental feature
	[FEATURE] - add CHECK_THROTTLE option to reject connection if client
	  throttle exceeds max allowed. This is an experimental feature
	
May 30 2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.1 RC1 release
	[FEATURES]
	- possibility to call external antivirus scanners interface was added
	  to Sophos sweep, McAfee uvscan, and Trendmicro vscan
	- possibility to save rejected messages for further analysis
	- some other filtering capabilities (see documentation) such as
	  - mail filtering accordingly to the number of recipients and the IP
	    network smtp connection comes from
	- j-chkmail behavior to signals
	  HUP - reloads configuration files
	  USR1 - dumps internal counters
	  USR2 - reset internal counters
	- some fault tolerant possibilities. Now, there is a supervisor process
	  which control runtime behavior of filters and control communications 
	  between them.
	- periodical task, such as dumping internal statistics counters are 
	  controled by supervisor process. There is no more need to set up 
	  cron tasks.
	- man pages
	- two new command lines 
	  - j-printstats - which prints internal counters values	  
	  - j-scanfile - a command line version of j-chkmail built-in scanner,
	    which you may use to scan mail files by hand or (maybe) use it 
	    with postfix (not checked).

Apr/30/2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.01 Release
	[BUG] - Replacement message contained a null char at its end. This 
	  could cause problems with some mail clients
	[PORT] rpm packaging - thanks to Henri Gomez
	
Apr/18/2002 - Jose Marcio Martins da Cruz
	j-chkmail 1.0 - First official release


	
