![]() By default, the spamassassin systemd service is disabled, you can enable auto start at boot time with: sudo systemctl enable spamassassin Spamc is the client for SpamAssassin spam filtering daemon. The server binary installed by the spamassassin package is called spamd, which will be listening on TCP port 783 on localhost. #Spamassassin black list installRun the following command to install SpamAssassin from the default CentOS/RHEL software repository. If the score is high enough (by default 5.0), the message is considered spam. Each rule adds or removes points in the message’s score. ![]() It will check email message against a large set of rules. SpamAssassin is a free, open-source, flexible and powerful spam-fighting tool. #Spamassassin black list how toIn this tutorial, we are going to learn how to use SpamAssassin (SA) to detect spam on CentOS/RHEL mail server. Make sure that the double quotes are not omitted anywhere as they are required if the file path contains any whitespace characters.Previously we discussed 7 effective methods for blocking email spam with Postfix on CentOS/RHEL. "C:\Program Files\JAM Software\SpamAssassin for Windows\spamassassin.exe" -e < %1 So, the correct settings are the following:Īgent executable: C:\Windows\System32\cmd.exeĬommand-line parameters: /Q /C ""C:\Program Files\JAM Software\SpamAssassin for Windows\sa.bat" " The workaround to this issue is to create a batch file that calls the spamassasin.exe with the correct parameters, which in turn can be interpreted by cmd.exe. #Spamassassin black list windowsThe < and » pipes are features of the windows command prompt (cmd.exe), so the standard Windows process APIs that ORF uses do not understand them. Apparently the issue seems to be with the pipe redirection '<' (STDIN) when used as a command-line parameter in ORF. I believe I have found the solution to your problem. However, should you find that even with the recommended settings too much spam is allowed through, then please, send us an email to with a few recent ORF log files, your ORF configuration file (see „a few tips to get things fixed faster” at ) and some spam samples, for analysis. Our recommendations for a high filtering performance are summarized by our Best Practices Guide, available at - if you have not applied advice from this document before - and even if you have - I strongly suggest that you implement *all* of the "tips for higher performance" (both low and medium risk ones). Any less than that indicates a technical or configuration issue. Depending on how aggressive the filtering settings are, 97-99% of spam (that is 3-1 out of 100) should be caught by ORF. we address the issue of the unsatisfactory filtering performance of ORF. However, if you are trying to connect SpamAssassin to ORF only because you find that ORF is unable to handle the incoming spam on its own, then I suggest a different approach instead i.e. ![]() ![]() I have yet to test the latest version of Spamassassin (and try to reproduce this issue), so I am not entirely sure what is causing the reported problem. If there is any real-time malware protection on the system, it will remove it before you could scan test file with SpamAssassin. This way you can verify whether 1) the spamassassin executable can run with the extra switches, and 2) if it has permission to access the files saved in the selected 'temporary email files' folder.įor the test above, I would suggest using the EICAR standard anti-virus test file ( ). Make sure that you also enter the 'command-line parameters' you specified in External Agent Properties dialog for your External Agent (Blacklists > External Agents > Run tab). To test this, try to run the spamassassin.exe from a command line and scan a test file in the 'temporary email files' folder you specified in the ORF settings (on the Blacklists > External Agents page). SpamAssassin may have inadequate rights to access the file). About the Windows Defender Real-Time protection (if it is installed/enabled)?īased on the error message, this might also be a permission issue (i.e. ![]()
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