<ol> <li> <p>Edit the cron tab (<code>crontab -e</code>) appending it with a job to make an SQL dump from the mailserver database to a file in '/var/vmail' on a daily basis:</p> <pre><code class="language-diff"> # m h dom mon dow command + @daily /usr/bin/mysqldump mailserver > /var/vmail/mailserver.sql</code></pre> </li> <li> <p>Arrange for the <code>/var/vmail</code> directory to be backed-up on a regular basis.</p> </li> </ol>