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<a name="DBM-Quotas"></a>
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<p>
Next: <a href="SQL-Quotas.html#SQL-Quotas" accesskey="n" rel="next">SQL Quotas</a>, Up: <a href="Mailbox-Quotas.html#Mailbox-Quotas" accesskey="u" rel="up">Mailbox Quotas</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Function-Index.html#Function-Index" title="Index" rel="index">Index</a>]</p>
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<hr>
<a name="Keeping-Quotas-in-DBM-File"></a>
<h4 class="subsubsection">3.11.4.1 Keeping Quotas in DBM File</h4>
<p>To use <acronym>DBM</acronym> quota database, GNU Mailutils must
be compiled with one of the following command line options:
<samp>--with-gdbm</samp>, <samp>--with-berkeley-db</samp>, <samp>--with-ndbm</samp>,
<samp>--with-tokyocabinet</samp>, or <samp>--with-kyotocabinet</samp>.
Examine the output of <code>maidag --show-config-options</code>, if not sure.
</p>
<p>The quota database should have the following structure:
</p>
<dl compact="compact">
<dt>Key</dt>
<dd><p>Key represents the user name. Special key ‘<samp>DEFAULT</samp>’ means default
quota value, i.e. the one to be used if the user is not explicitly
listed in the database.
</p>
</dd>
<dt>Value</dt>
<dd><p>Mailbox quota for this user. If it is a number, it represents the
maximum mailbox size in bytes. A number may optionally be followed by
‘<samp>kb</samp>’ or ‘<samp>mb</samp>’, meaning kilobytes and megabytes, respectively.
</p>
<p>A special value ‘<samp>NONE</samp>’ means no mailbox size limit for this user.
</p></dd>
</dl>
<p>Here is an example of a valid quota database
</p>
<div class="example">
<pre class="example"># Default quota value:
DEFAULT 5mb
# Following users have unlimited mailbox size
root NONE
smith NONE
# Rest of users
plog 26214400
karin 10mB
</pre></div>
<p>To use the <acronym>DBM</acronym> quota database, specify its absolute name using
<code>quota-db</code> configuration statement, e.g.:
</p>
<div class="example">
<pre class="example">quota-db /etc/mail/quota.db;
</pre></div>
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