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Topic ClosedSpamFilter is officially released

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Joined: 25 January 2005
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Direct Link To This Post Topic: SpamFilter is officially released
    Posted: 24 October 2013 at 7:47pm
We have officially released the new SpamFilter ISP and SpamFilter Enterprise v4.5.1.94. This release is available for download in the registered user area of our website. A free Evaluation copy is also available for all other users. 

As always, this upgrade is free for all users with a current software maintenance.

The changes since the latest official release ( are as follows:

// New to VersionNumber = '';
{TODO -cFix : Filenames with a space in them may not be stopped by the attachment extension filter}

// New to VersionNumber = '';
{TODO -cFix : Regression error from - Removed errors in the logfile occurring when an antivirus activation has been added to the SpamFilter.ini file, but the antivirus plugin files have not been installed yet}

// New to VersionNumber = '';
{TODO -cFix : Greatly improved performance of the HTML parser that scans HTML text for keywords. Complex and large ( > 2MB ) HTML emails could spike the CPU of a processor for a few minutes}
{TODO -cFix : SpamFilter could fail to automatically update some of the DLL files used by the antivirus plugin (which are updated very infrequently). Improved the reliability of the AV definition files as well in cae of corrupted downloads}

// New to VersionNumber = '';
{TODO -cNew : Modified the behavior when forwarding emails to the destination SMTP server, when the dest server advertises as being able to support TLS, but with the remote server having TLS being misconfigured and outputting a 4xx error. Previously SpamFilter would send a bounce NDR email to the sender in this case, now SpamFilter will continue trying to send the email without TLS in the same session if allowed by the remote SMTP server}

// New to VersionNumber = '';
{TODO -cFix : In some emails with multiple recipients, when one or more of the recipients were invalid, depending on the order in which they were specified and on the timing of how quickly they were rejected by the destination SMTP server, SpamFilter could fail to use the new VerifyRCPTTOForCleanEmails feature to verify recipeints before disconnecting the remote SMTP server and thus avoiding having to send a separate NDR}
{TODO -cNew : Implemented the new SFDE - SpamFilter Distributed Emails database filter}
{TODO -cFix : In some rare cases, DNS failures due to faulty DNS servers during the SPF check could cause the SPF test to fail and the emails to be rejected}
{TODO -cFix : The results in the "Test SPF" button on the filter settings dialog would only display 3 lines of detailed SPF results}

Edited by LogSat - 13 February 2014 at 9:30am
Roberto Franceschetti

LogSat Software

Spam Filter ISP
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