#!/bin/sh

for uid in $@; do
	grep "[[:space:]]$uid\$" `ls /etc/postfix/virtual* | egrep -v '\.(bak|db|dpkg-new|dpkg-old|old)$'` | sed -e 's/.*://' -e 's/[[:space:]].*//' | sort
	echo "$uid@`cat /etc/mailname`"
done