![]() While testing the setup on sample files, fuzzyocr was reaching the timeout value on animated-gif.emlĭec 29 17:15:01 box spamd: spamd: identified spam (12.8/3.0) for spamd:102 in 7.4 seconds, 25504 bytes.ĭec 29 17:15:01 box spamd: spamd: result: Y 12 - FUZZY_OCR,HTML_10_20,HTML_IMAGE_ONLY_28,HTML_MESSAGE,MIME_HTML_ONLY,SARE_GIF_ATTACH,SARE_GIF_STOX,SUBJ_ALL_CAPS,UPPERCASE_75_100 scantime=7.4,size=25504,user=spamd,uid=102,required_score=3.0,rhost=localhost,raddr=127.0.0.1,rport=/var/run/spamd. It depends on your system, the default value is 10. This article was written for a CentOS 6.0 server running Postfix and Dovecot, but SpamAssassin can work with other operating systems and is compatible with most other common mail server software. On my system (Pentium 3 1 Ghz, 768 Mb), I raised the value of "focr_timeout" in the config file to 30. SpamAssassin is an effective spam filter that’s relatively easy to install and run. var/log/fuzzyocr.log Īs root, run “spamassassin –lint” (double dash lint), it should not return any output unless there’s something wrongĬontent analysis details: (46.9 points, 3.0 required)Ġ.8 EXTRA_MPART_TYPE Header has extraneous Content-type:…type= entryĢ.0 DATE_IN_FUTURE_03_06 Date: is 3 to 6 hours after Received: dateĠ.1 TW_QU BODY: Odd Letter Triples with QUĠ.0 HTML_MESSAGE BODY: HTML included in messageģ.4 FORGED_MUA_OUTLOOK Forged mail pretending to be from MS Outlookģ7 FUZZY_OCR BODY: Mail contains an image with common spam text inside #focr_logfile /etc/mail/spamassassin/FuzzyOcr.logĬreate the log file and set rotation : touch /var/log/fuzzyocr.log chown spamd:spamd /var/log/fuzzyocr.log (or whatever user running SpamAsssassin) Rpm -ql perl-Mail-SpamAssassin | grep -i plugin | grep -i perlĬopy FuzzyOCR config files to spamassassin config directory : cp FuzzyOcr.cf /etc/mail/spamassassin/ cp /etc/mail/spamassassin/FuzzyOcr.wordsĮcho "loadplugin FuzzyOcr /usr/lib/perl5/site_perl/5.8.0/Mail/SpamAssassin/Plugin/FuzzyOcr.pm" > /etc/mail/spamassassin/v310.preĮcho "loadplugin FuzzyOcr /usr/lib/perl5/site_perl/5.8.5/Mail/SpamAssassin/Plugin/FuzzyOcr.pm" > /etc/mail/spamassassin/v310.preĮdit /etc/mail/spamassassin/FuzzyOcr.cf :Ĭomment the loadplugin line we moved to v310.pre in the previous step Yum install gocr yum install perl-String-ApproxĬopy plugin to spamassassin’s plugin directory :Ĭp FuzzyOcr.pm /usr/lib/perl5/site_perl/5.8.0/Mail/SpamAssassin/Plugin/Ĭp FuzzyOcr.pm /usr/lib/perl5/site_perl/5.8.5/Mail/SpamAssassin/Plugin/ **Packages needed and found in Dag’s repo (install dag repository : ) : ** Packages needed and found in SecurityTeamUS repository :įirst, you need to install that SecurityTeamUS repo : Packages needed and found in the CentOS repositories : yum install netpbm netpbm-progs ImageMagick libungif libungif-progs However, if you’d prefer to keep your bayestoks file where it is, use: semanage fcontext -a -t spamdvarlibt /var/log/spamassassin/.spamassassin restorecon -Rv /var/log/spamassassin/. Tested under CentOS 3.8 and CentOS 4.4, both running SpamAssassin 3.1.7 built from srpm Spamassassin can write to /var/lib/spamassassin, which makes that a more suitable location for bayestoks than /var/log. Install FuzzyOCR for SpamAssassin on CentOS/RHEL December 29, 2006 11:22:32 1h2Ce3-0006MV-Bc -my-first-name- R=virtual_user T=dovecot_virtual_delivery C="250 2.0.Install FuzzyOCR for SpamAssassin on CentOS/RHEL Sebastien Wains In this scenario we decided to install the SpamAssassin to force the Sendmail server to validate SPF records prior to accepting the email. 11:22:32 1h2Ce3-0006MV-Bc H=8. :43343 Warning: Message has been scanned: no virus or other harmful content was found 11:22:32 1h2Ce3-0006MV-Bc malware acl condition: clamd /var/clamd : unable to connect to UNIX socket (/var/clamd): No such file or directory Organization: EsgxuwpqHere is the result of the command:Įxigrep 1h2Hkr-0003Sf-O8 /var/log/exim_mainlog spamassassin: Malicious rule configuration files can be configured to run system commands (CVE-2020-1946) Note that Nessus has not tested for this issue but has instead relied only on. Description The remote CentOS Linux 8 host has a package installed that is affected by a vulnerability as referenced in the CESA-2021:4315 advisory. Received: from (port=55104 helo=)īy -my-host-name- with esmtp (Exim 4.91)įor -my-email-address- Fri, 16:50:03 +0100 Synopsis The remote CentOS host is missing a security update.
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