hi guys,
 
im having some trouble on my quota.whenever my 
client reaches the quota, they cant download their mails anymore.
 
+OK Dovecot 1.0 ready.
user test
+OK
pass 
testd
-ERR [IN-USE] Couldn't sync mailbox.
+OK Logged in.
 
Your server has unexpectedly terminated the 
connection. Possible causes for this include server problems, network problems, 
or a long period of inactivity. Account:     , Protocol: POP3, 
Port: 110, Secure(SSL): No, Socket Error: 10053, Error Number: 
0x800CCC0F