original :   http://dd32.id.au/2007/09/29/dovecot-err-no-inbox-for-user/


problem :

[root@xxxx ~]# telnet localhost 110
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
+OK dovecot ready.
user xxx
+OK
pass xxxxx
+OK Logged in.
-ERR No INBOX for user.
Connection closed by foreign host.



solution :

(original writing)
...
Turned out, Dovecot doesnt like the new line at the start of the file, It bails out thinking its not a

valid inbox…. removed the new line and everythings off and running fine again.
...
...