dbpath = /etc/postfix/private/mail.sqlite
query = SELECT A1.addLocalpart || (CASE WHEN V1.vaTargetExt IS NOT NULL
	 THEN '-' || V1.vaTargetExt ELSE '' END) || '@' || D1.domName
	FROM VAlias AS V1
	 JOIN Address AS A1 ON (V1.vaTargetNum = A1.addNum)
	 JOIN Domain AS D1 ON (A1.addDomNum = D1.domNum)
	 JOIN Address AS A2 ON (V1.vaNum = A2.addNum)
	 JOIN Domain AS D2 ON (A2.addDomNum = D2.domNum)
	WHERE A2.addLocalpart || '@' || D2.domName IS '%s'
	AND V1.active!=0

# This query has the postconf value of $recipient_delimiter hardcoded:
# '-' above. If you change that in main.cf you must change it here too!