cyrus-imapd and dovecot

[Marcos-Fedora Brazil]

occur this error
what is?


maresias:/etc/sysconfig#telnet maresias 110
Trying 200.153.32.132...
Connected to maresias.acib.com.br (200.153.32.132).
Escape character is '^]'.
+OK maresias.acib.com.br Cyrus POP3 v2.2.12-Invoca-RPM-2.2.12-1.1.fc3 server 
ready <3215340298.1119386209 at maresias.acib.com.br>
user marcosunip
+OK Name is a valid mailbox
pass xxxxxxx
-ERR [SYS/PERM] Unable to locate maildrop: Mailbox does not exist