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New free SpamFilter ISP v2.1.1.367 is available for evaluation

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    Posted: 18 September 2004 at 11:00am
An updated verison of SpamFilter ISP v2.1.1.367 is now available as a free download. As always, the free version is a fully functional copy, it has no expiration dates. The only limitation is the same as in previous versions, in that the web interface will not be able to force delivery of emails. The improvements since the previous free build are as follows.

Roberto F.
LogSat Software

// New to VersionNumber = ''; {TODO -cNew : Added option so that any quarantined (false positives) emails that the end user force-delivers will cause the sender to be automatically whitelisted}

// New to VersionNumber = ''; {TODO -cNew : Added macro mechanism support for SPF} {TODO -cFix : Outgoing MAIL FROM command was missing surrounding < and > brackets} {TODO -cNew : A remote server on the IP whitelist is now able to relay to the internet even if the recipient domain is not a local domain}

// New to VersionNumber = ''; {TODO -cNew : Add support for SPF -}

// New to VersionNumber = ''; {TODO -cFix : Access violation during SecondTimer while writing activity log} {TODO -cFix : occasional delivery of truncated emails even though they exceed max message size}

// New to VersionNumber = ''; {TODO -cNew : Added ReadTimeout ini parameter to allow user control of timeout when waiting for remote SMTP commands}

/ New to VersionNumber = ''; {TODO -cFix : whitelisted domains were able to use SpamFilter as an open relay} {TODO -cFix : Out of Memory when sync corpus} {TODO -cFix : Corrected spelling of word unknown}

// New to VersionNumber = ''; {TODO -cFix : temp tokens still added to coprusqueue directory even if Bayes disabled when end-users force delivery of quarantine emails} {TODO -cNew : Added ScanReceivedHeaders ini parameter to enable/disable scanning of Received: headers}

// New to VersionNumber = ''; {TODO -cFix : Button behavior that opens Unfiltered Emails whitelist fixed} {TODO -cFix : TAG spam in unfiltered list was not always being forwarded} {TODO -cNew : Added TAGSUBJECT suffix in unfiltered list to add prefix to spam when delivering to recipient} {TODO -cNew : modified TAG suffix in unfiltered list to only add spam headerto spam when delivering to recipient}

// New to VersionNumber = ''; {TODO -cFix : Deliver emails to multiple recipients even if one or more of them are rejected by destination smtp server}

// New to VersionNumber = ''; {TODO -cFix : Bayesian corpus database was not updating correctly every 30 minutes as scheduled}

// New to VersionNumber = ''; {TODO -cNew : Added safety check for mail loops, if more than 100 "Received:" headers are found mail is rejected} {TODO -cNew : Removed references to SpamFilter's IP address when adding our own "Received:" header}

// New to VersionNumber = ''; {TODO -cNew : Messages with a "From:" header in the form some-text @ some-text with some-text blank are no longer being rejected by causing exceptions} {TODO -cNew : The Bayesian filter now also searches in the Received: headers}

// New to VersionNumber = ''; {TODO -cFix : Fixed some "Out of Memory" exception errors and other Access Violations}

// New to VersionNumber = ''; {TODO -cFix : Exception adding a database connection and then clicking the quarantine Refresh button w/o closing SpamFilter}

// New to VersionNumber = ''; {TODO -cFix : Fixed high CPU / RAM during corpus syncs for some users} {TODO -cNew : Increased speed for corpus syncs and corpus load by more than 500%} {TODO -cNew : Add "running SpamFilter since" in status bar} {TODO -cFix : Fix handling of NULL and other suffixes for RegEx expressions} {TODO -cNew : The keyword filter now also searches in the Received: headers}

// New to VersionNumber = ''; {TODO -cFix : Attempts to fix a problem with RAM and concurrent connections suddently increasing - problem is with only one user}

// New to VersionNumber = ''; {TODO -cNew : Added the option to disable "learning" feature of Bayesian filter (not updating the corpus db.dat file), but still continuing to filter incoming emails with Bayesian filter. } {TODO -cNew : When an email matches the keyword or Bayes filter SpamFilter will now forcefully terminate the connection rather than wait for the remote disconnect}

// New to VersionNumber = ''; {TODO -cNew : Added the :NoNDR (same effect as DoNotSendNDROnQuarantine in ini file) option to: Domains, EMailFrom, EmailTO, Attachment blacklists} {TODO -cFix : Exception occurred during TimerSecondTimer: Access violation errors occurring every 5 seconds} {TODO -cFix : Optimized Bayesian filtering to help avoid high CPU and RAM spikes}

// New to VersionNumber = ''; {TODO -cNew : When the SpamFilter.ini is updated the event is logged} {TODO -cNew : Added the :TAG option to the AuthorizedTO whitelist to tag emails classified as spam} {TODO -cNew : Updated documentation and GUI to show blacklists that support the :NULL tag} {TODO -cNew : Added the TagAndQuarantine option to SpamFilter.ini file} {TODO -cNew : Added the SPAMTagPrefix option to SpamFilter.ini file to customize spam tag prefix in subject} {TODO -cNew : We are now writing in the activity log when a quarantined email is forced-delivered} {TODO -cFix : The Do not quarantine and :NULL option for the attachment blacklist is now working correctly} {TODO -cNew : Added ini option for DoNotSendNDROnQuarantine - this will cause all emails to be accepted from the sender (but not forwarded to the recipient) without returning an error code to the remote server, thus preventing NDR's to be sent to the sender}

// New to VersionNumber = ''; {TODO -cFix : Improved performance of Bayesian filter under heavy load} {TODO -cFix : Attachment filtering was not working if keyword list was empty} {TODO -cFix : Bayesian "learning" was not working if keyword list was empty}
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