Administrator_Guide/en-US
Jeroen van Meeuwen
vanmeeuwen at kolabsys.com
Fri Jun 8 13:57:41 CEST 2012
Administrator_Guide/en-US/Combating_Spam.xml | 224 +++++++++++++--------------
1 file changed, 113 insertions(+), 111 deletions(-)
New commits:
commit 2982b6584f92f52c8973ba32ef14fc394a96ae9a
Author: Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen at kolabsys.com>
Date: Fri Jun 8 12:46:54 2012 +0100
Update defaults for Amavisd local_domains and tweakage
diff --git a/Administrator_Guide/en-US/Combating_Spam.xml b/Administrator_Guide/en-US/Combating_Spam.xml
index ea5dacf..cd00ca2 100644
--- a/Administrator_Guide/en-US/Combating_Spam.xml
+++ b/Administrator_Guide/en-US/Combating_Spam.xml
@@ -530,40 +530,69 @@ bayes_sql_override_username root</screen>
Normally only inbound traffic is tagged –if at all–, by recognizing the recipient domain name space as local. The setting <literal>@local_domains</literal> or, in later versions of Amavis, <literal>@local_domains_acl</literal> is used.
</para>
<para>
- To recognize all domain name spaces as local, edit <filename>/etc/amavisd/amavisd.conf</filename> and make sure the following settings are not configured:
+ In a default Kolab Groupware installation, the recipients are looked up in LDAP, and if an entry is found, Amavisd will also classify the domain as local – regardless of any <literal>@local_domains</literal> and/or <literal>@local_domains_acl</literal> setting.
</para>
- <para>
- <itemizedlist>
- <listitem>
- <para>
- <literal>@local_domains</literal>,
- </para>
+ <section id="sect-Administrator_Guide-Ensuring_Availability_of_Messages_Spam_Score-Adding_Spam_Headers_to_All_Messages">
+ <title>Adding Spam Headers to All Messages</title>
+ <para>
+ To recognize all domain name spaces as local, edit <filename>/etc/amavisd/amavisd.conf</filename> and make sure the following settings are not configured:
+ </para>
+ <para>
+ <itemizedlist>
+ <listitem>
+ <para>
+ <literal>@local_domains</literal>,
+ </para>
- </listitem>
- <listitem>
- <para>
- <literal>@local_domains_acl</literal>, and
- </para>
+ </listitem>
+ <listitem>
+ <para>
+ <literal>@local_domains_acl</literal>, and
+ </para>
- </listitem>
- <listitem>
- <para>
- any <literal>read_hash(\%local_domains)</literal> setting.
- </para>
+ </listitem>
+ <listitem>
+ <para>
+ any <literal>read_hash(\%local_domains)</literal> setting.
+ </para>
- </listitem>
+ </listitem>
- </itemizedlist>
+ </itemizedlist>
- </para>
- <para>
- Ensure that the following setting is configured like so:
- </para>
- <para>
+ </para>
+ <para>
+ Ensure that the following setting is configured like so:
+ </para>
+ <para>
<screen language="Perl">$local_domains_re = new_RE( qr'.*' );</screen>
- </para>
+ </para>
+ <para>
+ Also disable the LDAP lookups, by removing the following settings:
+ </para>
+ <para>
+ <itemizedlist>
+ <listitem>
+ <para>
+ <literal>$enable_ldap</literal>
+ </para>
+
+ </listitem>
+ <listitem>
+ <para>
+ <literal>$default_ldap</literal>
+ </para>
+
+ </listitem>
+
+ </itemizedlist>
+
+ </para>
+
+ </section>
+
</section>
@@ -583,34 +612,7 @@ bayes_sql_override_username root</screen>
<orderedlist>
<listitem>
<para>
- Are intended for delivery to recipients in local domain name spaces,
- </para>
- <para>
- The list of local domain name spaces Amavisd uses is configured using any of the following settings in <filename>/etc/amavisd/amavisd.conf</filename>:
- </para>
- <para>
- <itemizedlist>
- <listitem>
- <para>
- <literal>@local_domains</literal>,
- </para>
-
- </listitem>
- <listitem>
- <para>
- <literal>@local_domains_acl</literal>,
- </para>
-
- </listitem>
- <listitem>
- <para>
- <literal>read_hash(\%local_domains)</literal>
- </para>
-
- </listitem>
-
- </itemizedlist>
-
+ Are intended for delivery to local recipients,
</para>
</listitem>
@@ -635,87 +637,87 @@ bayes_sql_override_username root</screen>
</formalpara>
<para>
- Depending on your platform, the default for this score is <literal>6.31</literal> or <literal>6.9</literal>. When a message is marked with a spam score higher than or equal to this level, Amavisd will take "evasive action". See <xref linkend="sect-Administrator_Guide-Default_Amavisd_Behaviour-Configuring_Evasive_Action" /> for more information on configuring evasive actions.
+ Depending on your platform, the default for this score is <literal>6.31</literal> or <literal>6.9</literal>. When a message is marked with a spam score higher than or equal to this level, Amavisd will take "evasive action". See <xref linkend="sect-Administrator_Guide-Combating_Spam-Configuring_Amavis_Evasive_Action" /> for more information on configuring evasive actions.
</para>
- <section id="sect-Administrator_Guide-Default_Amavisd_Behaviour-Configuring_Evasive_Action">
- <title>Configuring Evasive Action</title>
- <para>
- You can control what "evasive action" Amavisd takes using the <literal>$final_spam_destiny</literal> and <literal>$final_virus_destiny</literal> settings in <filename>/etc/amavisd/amavisd.conf</filename>. The default is usually to discard the message, but the following options are available:
- </para>
- <para>
- <itemizedlist>
- <listitem>
- <formalpara id="form-Administrator_Guide-Configuring_Evasive_Action-D_PASS">
- <title>D_PASS</title>
- <para>
- The message is accepted for delivery to the intended recipient(s), despite having been scored passed the kill or cutoff level, and regardless of bad content.
- </para>
- </formalpara>
+ </section>
+
+ <section id="sect-Administrator_Guide-Combating_Spam-Configuring_Amavis_Evasive_Action">
+ <title>Configuring Amavis Evasive Action</title>
+ <para>
+ You can control what "evasive action" Amavisd takes using the <literal>$final_spam_destiny</literal> and <literal>$final_virus_destiny</literal> settings in <filename>/etc/amavisd/amavisd.conf</filename>. The default is usually to discard the message, but the following options are available:
+ </para>
+ <para>
+ <itemizedlist>
+ <listitem>
+ <formalpara id="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-D_PASS">
+ <title>D_PASS</title>
<para>
- If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ The message is accepted for delivery to the intended recipient(s), despite having been scored passed the kill or cutoff level, and regardless of bad content.
</para>
- </listitem>
- <listitem>
- <formalpara id="form-Administrator_Guide-Configuring_Evasive_Action-D_BOUNCE">
- <title>D_BOUNCE</title>
- <para>
- The message is not accepted for delivery to the intended recipient(s). A Delivery Status Notification stating delivery failure is sent out to the sender.
- </para>
+ </formalpara>
+ <para>
+ If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ </para>
- </formalpara>
+ </listitem>
+ <listitem>
+ <formalpara id="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-D_BOUNCE">
+ <title>D_BOUNCE</title>
<para>
- If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ The message is not accepted for delivery to the intended recipient(s). A Delivery Status Notification stating delivery failure is sent out to the sender.
</para>
- </listitem>
- <listitem>
- <formalpara id="form-Administrator_Guide-Configuring_Evasive_Action-D_REJECT">
- <title>D_REJECT</title>
- <para>
- The message is rejected by Amavisd, and while Amavisd sends out a 550 SMTP response to the Mail Transfer Agent, said Mail Transfer Agent is responsible for sending out the Delivery Status Notification, if any.
- </para>
+ </formalpara>
+ <para>
+ If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ </para>
- </formalpara>
+ </listitem>
+ <listitem>
+ <formalpara id="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-D_REJECT">
+ <title>D_REJECT</title>
<para>
- If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ The message is rejected by Amavisd, and while Amavisd sends out a 550 SMTP response to the Mail Transfer Agent, said Mail Transfer Agent is responsible for sending out the Delivery Status Notification, if any.
</para>
- </listitem>
- <listitem>
- <formalpara id="form-Administrator_Guide-Configuring_Evasive_Action-D_DISCARD">
- <title>D_DISCARD</title>
- <para>
- The message is simply discarded by Amavisd. The sending Mail Transfer Agent will receive a positive SMTP delivery response, and Amavisd sends out no Delivery Status Notification, nor does it forward the message for delivery to the intended recipients.
- </para>
+ </formalpara>
+ <para>
+ If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ </para>
- </formalpara>
+ </listitem>
+ <listitem>
+ <formalpara id="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-D_DISCARD">
+ <title>D_DISCARD</title>
<para>
- If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ The message is simply discarded by Amavisd. The sending Mail Transfer Agent will receive a positive SMTP delivery response, and Amavisd sends out no Delivery Status Notification, nor does it forward the message for delivery to the intended recipients.
</para>
- </listitem>
+ </formalpara>
+ <para>
+ If a quarantine address has been configured, the quarantine address will receive a copy of the email. See <xref linkend="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-Configuring_Quarantine" /> to learn how to configure the quarantine address.
+ </para>
- </itemizedlist>
+ </listitem>
- </para>
- <formalpara id="form-Administrator_Guide-Configuring_Evasive_Action-Configuring_Quarantine">
- <title>Configuring Quarantine</title>
- <para>
- Two separate quarantine forwarding addresses can be configured. One is for messages labeled as spam, another for messages suspected to contain a virus.
- </para>
+ </itemizedlist>
- </formalpara>
- <para>
- A catchall address for spam can be configured by setting the <literal>$spam_quarantine_to</literal> setting to a valid recipient address in <filename>/etc/amavisd/amavisd.conf</filename>
- </para>
+ </para>
+ <formalpara id="form-Administrator_Guide-Configuring_Amavis_Evasive_Action-Configuring_Quarantine">
+ <title>Configuring Quarantine</title>
<para>
- A catchall address for messages suspected of containing a virus can be configured by setting the <literal>$virus_quarantine_to</literal> setting to a valid recipient address in <filename>/etc/amavisd/amavisd.conf</filename>.
+ Two separate quarantine forwarding addresses can be configured. One is for messages labeled as spam, another for messages suspected to contain a virus.
</para>
- </section>
-
+ </formalpara>
+ <para>
+ A catchall address for spam can be configured by setting the <literal>$spam_quarantine_to</literal> setting to a valid recipient address in <filename>/etc/amavisd/amavisd.conf</filename>
+ </para>
+ <para>
+ A catchall address for messages suspected of containing a virus can be configured by setting the <literal>$virus_quarantine_to</literal> setting to a valid recipient address in <filename>/etc/amavisd/amavisd.conf</filename>.
+ </para>
</section>
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