Administrator_Guide/en-US

Jeroen van Meeuwen vanmeeuwen at kolabsys.com
Fri Aug 17 10:47:23 CEST 2012


 Administrator_Guide/en-US/Tweaking_Tips_for_Postfix.xml |   38 ++++++++++++++++
 1 file changed, 38 insertions(+)

New commits:
commit 2f444019d93152d0535f2d9ba6900f63deb34b7e
Author: Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen at kolabsys.com>
Date:   Fri Aug 17 09:47:06 2012 +0100

    Include tips on large kolab distribution groups and Postfix settings

diff --git a/Administrator_Guide/en-US/Tweaking_Tips_for_Postfix.xml b/Administrator_Guide/en-US/Tweaking_Tips_for_Postfix.xml
index 51cf20a..04ce9b4 100644
--- a/Administrator_Guide/en-US/Tweaking_Tips_for_Postfix.xml
+++ b/Administrator_Guide/en-US/Tweaking_Tips_for_Postfix.xml
@@ -8,6 +8,44 @@
     <para>
         para
     </para>
+    <section id="sect-Administrator_Guide-Tweaking_Tips_for_Postfix-Large_Kolab_Distribution_Groups">
+        <title>Large Kolab Distribution Groups</title>
+        <para>
+            If you have Kolab distribution groups with many members, you may see the following message occur in log file <filename>/var/log/maillog</filename>:
+        </para>
+        <para>
+
+<screen>Aug 17 10:21:59 kolab postfix/cleanup[5916]: warning: 398194A151: unreasonable virtual_alias_maps map expansion size for kolab-users at example.org</screen>
+
+        </para>
+        <para>
+            The setting <literal>virtual_alias_expansion_limit</literal> controls the maximum number of recipient address that are produced from a single original recipient address. The default depends on your installation.
+        </para>
+        <para>
+            To get the default value, execute:
+        </para>
+        <para>
+
+<screen># <userinput>postconf -d virtual_alias_expansion_limit</userinput>
+1000</screen>
+        </para>
+        <para>
+            To get the current value, execute:
+        </para>
+        <para>
+
+<screen># <userinput>postconf virtual_alias_expansion_limit</userinput>
+1000</screen>
+        </para>
+        <para>
+            To set a new value, execute:
+        </para>
+        <para>
+
+<screen># <userinput>postconf -e virtual_alias_expansion_limit=10000</userinput></screen>
+        </para>
+
+    </section>
 
 </chapter>
 





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