[Dovecot] please me help with correct that error than upgrade to dovecot

[fakessh]

hello all
hello list
hello girl
hello much many people



me help  with correct that error than upgrade to dovecot 

the upgrace goes well, 
but I have errors when restarting the application necessary: mistake here.

please help me to correct them. I would really benefit from the novelties
of this version of dovecot


[root at r13151 ~]# rpm -Uvh
/home/ftpchrootshell/fakessh/dovecot-1.2.10-2_107.el5.i386.rpm 
attention: /home/ftpchrootshell/fakessh/dovecot-1.2.10-2_107.el5.i386.rpm:
Ent�te V4 DSA signature: NOKEY, key ID 66534c2b
Pr�paration...              ###########################################
[100%]
   1:dovecot                attention: /etc/dovecot.conf cr�� en tant que
/etc/dovecot.conf.rpmnew
########################################### [100%]
[root at r13151 ~]# service dovecot restart
Arr�t de Dovecot Imap :                                    [  OK  ]
D�marrage de Dovecot Imap :Warning: fd limit 1024 is lower than what
Dovecot can use under full load (more than 1280). Either grow the limit or
change login_max_processes_count and max_mail_processes settings
If you have trouble with authentication failures,
enable auth_debug setting. See http://wiki.dovecot.org/WhyDoesItNotWork
This message goes away after the first successful login.
Fatal: listen(::, 143) failed: Address already in use
                                                           [�CHOU]
[root at r13151 ~]#