<h3id="add-alias-domain-support-in-postfix">Add alias domain support in postfix</h3>
<p>Update MySQL query in postfix setting <code>virtual_mailbox_domains</code> to query alias
domains.</p>
<pre><code># Part of file: /etc/postfix/mysql/virtual_mailbox_domains.cf
# Original line:
#query = SELECT domain FROM domain WHERE domain='%s' AND backupmx=0 AND active=1
# Modified:
query = SELECT domain FROM domain WHERE domain='%s' AND backupmx=0 AND active=1 UNION SELECT alias_domain.alias_domain FROM alias_domain,domain WHERE alias_domain.alias_domain='%s' AND alias_domain.active=1 AND alias_domain.target_domain=domain.domain AND domain.active=1 AND domain.backupmx=0
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