POP3 Server: UIDL command

Hello ,I get this command on my console and after that server gets hang it have happened second time

And the path it shows is our CEO’s mail file

10/04/2005 04:30:56 AM POP3 Server: [094C:0008-0A80] AuthenticatePass state

10/04/2005 04:30:56 AM POP3 Server: [094C:0008-0A80] PASS command

10/04/2005 04:30:57 AM POP3 Server: [094C:0008-0A80] f:\Lotus\Domino\Data\mail\CEO.nsf is now open for exclusive access

10/04/2005 04:30:59 AM POP3 Server: [094C:0008-0A7C] Entering Transaction state

10/04/2005 04:30:59 AM POP3 Server: [094C:0008-0A7C] STAT command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A80] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A7C] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A80] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A7C] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A80] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A7C] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A7C] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A7C] UIDL command

10/04/2005 04:31:00 AM POP3 Server: [094C:0008-0A7C] UIDL command

10/04/2005 04:31:03 AM POP3 Server: [094C:0008-0A7C] QUIT command

10/04/2005 04:31:03 AM POP3 Server: [094C:0008-0A80] Terminal state

10/04/2005 04:31:03 AM POP3 Server: [094C:0008-0A80] f:\Lotus\Domino\Data\mail\CEO.nsf is closed for exclusive access

Please help