[Dovecot] Vacation Notice Not Working

[Ch Chai]

To Dovecot,

When I try to active Vacation Notice using Egroupware, I can see (xxxx.sieve) generated in mail server. but not working.


OS : Fedora 14
Installed Packages:
- Postfix 
- Dovecot (2.0.15) note : come with Fedora 14
- Dovecot-pigeonhole (2.0.15) note: come with Fedora 14
- ispconfig 2
- Egroupware (Email Client)

my setting in /etc/dovecot/dovecot.conf
protocols = sieve imap pop3 

plugin { 
 plugin = sieve 
 sieve = ~/.dovecot.sieve 
 sieve_dir = ~/sieve 
} 

service managesieve-login { 
 inet_listener managesieve-login { 
 address = * 
 port = 2000 
 } 
} 

protocol lda { 
 #hostname = example.com 
 mail_plugins = sieve quota 
 postmaster_address = postmaster at example.com 
 auth_socket_path = /var/run/dovecot/auth-master 
 log_path = /var/log/dovecot-deliver.log 
 } 

protocol sieve { 
 managesieve_implementation_string = Cyrus timsieved v2.2.13 
 managesieve_logout_format = bytes ( in=%i : out=%o ) 
 managesieve_max_line_length = 65536 
}