AshcorTech wrote:
2013-09-20T08:15:21.419587-04:00 linux01 postfix/local[16093]: 39857340092: to=<vscan@linux01.mydomain.com>, relay=local, delay=0.19, delays=0.06/0.01/0/0.12, dsn=4.3.0, status=deferred (temporary failure)
Did you create alias entry for user 'vscan' in /etc/postfix/aliases?
Any related log in /var/log/sieve.log?