We have pre-released SpamFilter v2.7.1.523 in the registered user area. This build is the release candidate for a new official release.

There are a few new features and fixes since the last official 2.7.1.515 release as follows:

// New to VersionNumber = '2.7.1.523';
{TODO -cNew : Added RotateLogsEveryNNhours option in SpamFilter.ini file to rotate logfiles more frequently}
{TODO -cNew : The "Display Reverse DNS for cache" checkbox in the IP Blacklist Cache tab retains its status when clicking on "Save Settings"}
{TODO -cFix : Manually testing an email's source in the Bayesian filter tab causes an access violation error to be logged}

// New to VersionNumber = '2.7.1.522';
{TODO -cFix : Filtering for invalid MX records was not being performed}
{TODO -cFix : When performing reverse DNS lookups, the event was not logged in case of DNS Timeouts}
{TODO -cNew : The MX record filter now checks for the whole 127.x.x.x invalid IP range rather than only 127.0.0.x}

// New to VersionNumber = '2.7.1.520';
{TODO -cNew : Virus definitions are checked for size when downloaded to avoid using corrupted files. Their download is re-attempted in case of problems}

// New to VersionNumber = '2.7.1.519';
{TODO -cFix : If Max Recipients filter is set to 0 (disabled), emails with multiple recipients were only sent to the first one}
{TODO -cNew : Added BlockArchivesWithPassword ini option to block password protected archives with antivirus plugin}
{TODO -cNew : Added AlwaysDoReverseDNSLookups ini option to block password protected archives with antivirus plugin}

// New to VersionNumber = '2.7.1.518';
{TODO -cNew : Added Filename being created when exceptions are being logged for certain events}

// New to VersionNumber = '2.7.1.517';
{TODO -cFix : Customer-reported problem. High CPU for messages with large number of "To:" or "CC" headers}

// New to VersionNumber = '2.7.1.516';
{TODO -cFix : SURBL filter could take several minutes to be process emails with hundreds of URLs if DNS server is down, possibly causing re-sends of the email. Improved lookups by removing duplicate TLDs and added global timeout to avoid problem}
{TODO -cFix : SpamFilter version number and blacklist/whitelist loading indicators are missing in logs when SpamFilter service is started}
{TODO -cNew : Added "Notice - IdleDisconnectMinutesTimeout reached. Removing threadID" log entry when disconnecting idle threads}