[Exim] Another newbie problem

Hi,

This is exim -bh output:

helo mtsiinc.com
250 localhost Hello adsl-67-127-227-82.dsl.irvnca.pacbell.net
[67.127.227.82]
mail from: ysharma@???
250 OK
rcpt to: ysharma@???
>>> using ACL "acl_check_rcpt"
>>> processing "accept"
>>> check hosts = :
>>> host in ":"? no (end of list)
>>> accept: condition test failed
>>> processing "deny"
>>> check local_parts = ^.*[@%!/|] : ^\\.
>>> ysharma in "^.*[@%!/|] : ^\."? no (end of list)
>>> deny: condition test failed
>>> processing "accept"
>>> check local_parts = postmaster
>>> ysharma in "postmaster"? no (end of list)
>>> accept: condition test failed
>>> processing "accept"
>>> check domains = +local_domains
>>> catprosystems.net in "@ : pgsql;SELECT distinct domain FROM
vemail_users"? yes (matched "pgsql;SELECT distinct domain FROM
vemail_users")
>>> catprosystems.net in "+local_domains"? yes (matched "+local_domains")
>>> check verify = recipient
>>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>> routing ysharma@???
>>> catprosystems.net in "! +local_domains"? no (matched "!
+local_domains" - cached)
>>> calling system_aliases router
>>> system_aliases router declined for ysharma@???
>>> no more routers
>>> ----------- end verify ------------
>>> accept: condition test failed
>>> accept: endpass encountered - denying access
550 Unknown user
LOG: 1BDpo1-0005ow-GX H=adsl-67-127-227-82.dsl.irvnca.pacbell.net
(mtsiinc.com) [67.127.227.82] F=<ysharma@???> rejected RCPT
ysharma@???: Unknown user

Is "check verify = recipient" is failing or what is the problem ?
ysharma@??? is not a system user but it is a virtual user.
How do I fix it ?

Thanks
Yogesh