Mailgate errors for only one user

Near as we can tell, only one user(out of 50 or so) is getting the
following message:

The original message was received at Fri, 14 Nov 2003 09:56:42 -0500
from ross.bitpipe.com [192.168.1.30]

----- The following addresses had permanent fatal errors -----
"|/etc/smrsh/rt-mailgate --queue goldmine --action correspond"
(reason: 255)
(expanded from: <goldmine@[192.168.1.237]>)

----- Transcript of session follows -----
DBI->connect(dbname=rt2;host=localhost) failed: at
/usr/lib/perl5/site_perl/5.8.0/DBIx/SearchBuilder/Handle.pm line 119
Connect Failed
at /opt/rt2/lib/RT.pm line 27
554 5.3.0 unknown mailer error 255
Reporting-MTA: dns; tabasco.bitpipe.com
Received-From-MTA: DNS; ross.bitpipe.com
Arrival-Date: Fri, 14 Nov 2003 09:56:42 -0500

Final-Recipient: RFC822; goldmine@[192.168.1.237]
X-Actual-Recipient: X-Unix; |/etc/smrsh/rt-mailgate --queue goldmine
–action correspond
Action: failed
Status: 5.0.0

There’s nothing specific to her configuration that we can tell of…nor
can I think of anything in her configuration that would cause a DB error
in the first place…

Any ideas? Also, no answers on my last email…

Brett