IMAP monitor problem

...
sysmond: 16:11:21 Examining phys-edge-1.central for dns cache expire -
Difftime = 1
sysmond: 16:11:21 Examining 129.147.76.69 for dns cache expire - Difftime = 1
sysmond: 16:11:21 textfile.c:dump_to_file:unlink newfilename
sysmond: 16:11:21 service_this:Servicing entry in queue of
edge-mail1.central:imap
sysmond: 16:11:21 service_test_imap: state = 3

sysmond: 16:11:21 imap.c:Got :
A100 OK User logged in
:

sysmond: 16:11:21 service_this:Servicing entry in queue of
phys-edge-3.central:ping
sysmond: 16:11:21 service_this:Servicing entry in queue of
phys-edge-2.central:ping
...


Thats the log with debug, but on the monitor html report I see
"Bad Resp" under the Status column.

What could be the problem?

A normal telnet session to IMAP is:

[atria]+ telnet edge-mail1.central imap
Connected to edge-mail1.central.
Escape character is '^]'.
* OK [CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ NAMESPACE UIDPLUS
CHILDREN BINARY LANGUAGE XSENDER X-NETSCAPE XSERVERINFO AUTH=PLAIN]
edge-mail1.Central IMAP4 service (Sun Java(tm) System Messaging Server
6.1 HotFix 0.02 (built Aug 25 2004))
. login user password
. OK User logged in
. logout
* BYE LOGOUT received
. OK Completed
Connection to edge-mail1.central closed by foreign host.