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--- internet:hosting:virtualmin_spam_troubleshoot [2016/02/05 08:36]
gcooper created
+++ internet:hosting:virtualmin_spam_troubleshoot [2016/02/10 09:36] (current)
gcooper
@@ Line 2: / Line 2: @@
 https://www.virtualmin.com/node/39491
+:!: Replace the <virtual-server>, <username> and <junk_message> placeholders as necessary.
+:!: All dashes, spaces and punctuation are important.
+===== Check for Needed Perl Modules =====
+<file>
+spamassassin -D --lint 2>&1 | grep -i failed
+</file>
+===== Permissions =====
+:!: Provisional - Be careful with this - Example is for Ubuntu 14.04
+:!: Use ''-D'' to look for access problems.
+Permissions on ''debian-spamd'' home directory:
+<file>
+chown -R debian-spamd.debian-spamd /var/lib/spamassassin
+find /var/lib/spamassassin -type f -exec chmod 644 {} \;
+find /var/lib/spamassassin -type d -exec chmod 775 {} \;
+chmod 700 /var/lib/spamassassin/sa-update-keys
+find /var/lib/spamassassin/sa-update-keys -type f -exec chmod 600 {} \;
+reboot
+</file>
+===== Scan a Message =====
+Scan a message using the ''spamc'' client with the processing done by ''spamd'' and ''spamd child'' (both running as root):
+<file>
+spamc -u <username> < /home/<virtual-server>/homes/<username>/Maildir/.spam/cur/<junk_message>
+</file>
+Scan a message as root:
+<file>
+spamassassin -D -t -p /home/<virtual-server>/homes/<username>/.spamassassin/user_prefs < /home/<virtual-server>/homes/<username>/Maildir/.spam/cur/<junk_message>
+</file>
+Scan a message as a user:
+<file>
+su -s /bin/sh -c "spamassassin -D -t -p /home/<virtual-server>/homes/<username>/.spamassassin/user_prefs < /home/<virtual-server>/homes/<username>/Maildir/.spam/cur/<junk_message>" - <username>
+</file>
+===== Bayesian Filter =====
+Train the Bayesian filter as a user:
+<file>
+su -s /bin/sh -c "sa-learn -D --spam --no-sync /home/<virtual-server>/homes/<username>/Maildir/.spam/{cur,new}" - <username>
+</file>
+===== Rules Updates =====
+Update rules (taken from ''/etc/cron.daily/spamassassin''):
+<file>
+su - debian-spamd -c "sa-update -D --gpghomedir /var/lib/spamassassin/sa-update-keys"
+# Result codes: 0=got updates, 1=no updates, 2=lint failed
+echo $?
+su - debian-spamd -c "sa-compile"
+</file>

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