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Document the correct use of rc.conf

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sendmail_enable="" variable for 5.X
and later.

Reviewed by:	csjp
Submitted by:	lawrance
Approved by:	trhodes (mentor)
This commit is contained in:
Jesus R. Camou 2005-09-08 10:02:34 +00:00
parent 33cf5dc65a
commit fb3efcd7f1
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=25582
1 changed files with 48 additions and 21 deletions
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69
en_US.ISO8859-1/books/handbook/mail/chapter.sgml
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@ -699,13 +699,30 @@ postmaster@example.com postmaster@noc.example.net
chosen.</para>
</sect2>
<sect2>
<sect2 id="mail-disable-sendmail">
<title>Disable <application>sendmail</application></title>
<para>The procedure used to start
<application>sendmail</application> changed significantly
between 4.5-RELEASE and 4.6-RELEASE. Therefore, the procedure
used to disable it is subtly different.</para>
between 4.5-RELEASE, 4.6-RELEASE, and later releases.
Therefore, the procedure used to disable it is subtly
different.</para>
<warning>
<para>If you disable <application>sendmail</application>'s
outgoing mail service, it is important that you replace it
with an alternative mail delivery system. If
you choose not to, system functions such as &man.periodic.8;
will be unable to deliver their results by e-mail as they
would normally expect to. Many parts of your system may
expect to have a functional
<application>sendmail</application>-compatible system. If
applications continue to use
<application>sendmail</application>'s binaries to try to send
e-mail after you have disabled them, mail could go into an
inactive <application>sendmail</application> queue, and
never be delivered.</para>
</warning>
<sect3>
<title>FreeBSD 4.5-STABLE before 2002/4/4 and Earlier
@ -727,26 +744,36 @@ postmaster@example.com postmaster@noc.example.net
(Including 4.6-RELEASE and Later)</title>
<para>In order to completely disable
<application>sendmail</application> you must use</para>
<application>sendmail</application>, including the outgoing
mail service, you must use</para>
<programlisting>sendmail_enable="NONE"</programlisting>
<para>in <filename>/etc/rc.conf.</filename></para>
<warning>
<para>If you disable <application>sendmail</application>'s
outgoing mail service in this way, it is important that you
replace it with a fully working alternative mail delivery
system. If you choose not to, system functions such as
&man.periodic.8; will be unable to deliver their results by
e-mail as they would normally expect to. Many parts of your
system may expect to have a functional
<application>sendmail</application>-compatible system. If
applications continue to use
<application>sendmail</application>'s binaries to try to send
e-mail after you have disabled them, mail could go into an
inactive <application>sendmail</application> queue, and never be delivered.</para>
</warning>
<para>If you only want to disable
<application>sendmail</application>'s incoming mail service,
you should set</para>
<programlisting>sendmail_enable="NO"</programlisting>
<para>in <filename>/etc/rc.conf</filename>. However, if
incoming mail is disabled, local delivery will still
function. More information on
<application>sendmail</application>'s startup options is
available from the &man.rc.sendmail.8; manual page.</para>
</sect3>
<sect3>
<title>FreeBSD 5.0-STABLE and Later</title>
<para>In order to completely disable
<application>sendmail</application>, including the outgoing
mail service, you must use</para>
<programlisting>sendmail_enable="NONE"</programlisting>
<para>in <filename>/etc/rc.conf.</filename></para>
<para>If you only want to disable
<application>sendmail</application>'s incoming mail service,
@ -1497,9 +1524,9 @@ hostname=_HOSTNAME_</programlisting>
this the <quote>outgoing mail server</quote> or
<quote>SMTP server</quote>).</para>
<para>Make sure you disable <application>sendmail</application> by
setting <literal>sendmail_enable="NONE"</literal>
in <filename>/etc/rc.conf</filename>.</para>
<para>Make sure you disable <application>sendmail</application>,
including the outgoing mail service. See
<xref linkend="mail-disable-sendmail"> for details.</para>
<para><filename role="package">mail/ssmtp</filename> has some
other options available. See the example configuration file in