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  How can I fix the error: spamass-milter[27944]: Could not extract score from <> ?

When you look at your email log you see: spamass-milter[27944]: Could not extract score from...

  How can I fix the error: warn: Use of uninitialized value $type in numeric eq (==) at /usr/share/perl5/Mail/SpamAssassin/Conf/Parser.pm ?

When you run an anti-spam-check (rules) you see these errors: May 15 13:59:32.279 [20306] warn:...

 Do I need to manually train spamassassin using sa-learn?

No you do not. Roundcube and Horde have plugins to mark messages as junk where the message will...

 How can I block dangerous attachments within zip files?

ClamAV will scan inside zip files by default. You can also extend the protection by using the...

 How can I configure postfix so that Warden monitors all outgoing email?

By default Warden will only log outgoing email for ports 587 (Submission), 465 (SMTPS outgoing),...

 How can I correct umlaut and accents not being shown correctly in the spam log?

If foreign characters like umlaut and accents are not being displayed correctly in your spam...

 How can I enable .rar support for ClamAV?

RHEL / CentosUnfortunately the EPEL package maintainers will not compile .rar support for ClamAV...

 How can I fix "The query to URIBL was blocked." in the spam log?

Do not use free public DNS servers like Google DNS, OpenDNS or Level3 for nameservers in your...

 How can I fix the error WARNING: Ignoring deprecated option AllowSupplementaryGroups after upgrading to ClamAV 1.00?

The AllowSupplementaryGroups option was deprecated in ClamAV 1.00. If this option is present in...

 How can I fix the error: The licensing server was invalid or could not be reached ?

Many times this error can be fixed by restarting the Plesk panel: /etc/init.d/psa restart Make...

 How can I fix the error: warn: warn: config: SpamAssassin failed to parse line, "/var/lib/dcc" is not valid for "dcc_home", skipping: dcc_home /var/lib/dcc ?

When you run an anti-spam-check (rules) you see these errors: May 15 19:06:08.201 [19373] warn:...

 How can I stop encrypted archives from being allowed though ClamAV?

For ClamAV 0.100 and belowUnder Warden -> Settings -> Scanning Settings -> Block...

 How can I test that the Anti-spam and Anti-virus is working?

How to test SpamAssassin Note: Greylisting must be disabled for the recipient domain before...

 I get the a 502 gateway error when clicking on the application. How can I fix this?

This can usually be fixed by just restarting the Plesk interface:/etc/init.d/psa restart

 Why are my outgoing statistics different than what show up in the spam log?

By default Warden will not log outgoing mail to local mailboxes as they are already logged during...

 Why isn't autolearning working for me (autolearn=no) ?

Lots of people seem to be confused by the "autolearn=no" statement in the default X-Spam-Status...