[Dovecot] Inotify instance limit for user exceeded

[Lampa]

Hello,

i saw in my log followed messages:

dovecot: 2010-01-18 13:20:54 Warning: IMAP(user1 at domain1.com): Inotify
instance limit for user exceeded, disabling.
dovecot: 2010-01-18 13:21:01 Warning: IMAP(user2 at domain2.com): Inotify
instance limit for user exceeded, disabling.
dovecot: 2010-01-18 13:21:23 Warning: IMAP(user2 at domain2.com: Inotify
instance limit for user exceeded, disabling.

dovecot -c dovecot-domain1.com.conf -n:
# 1.0.10: dovecot-domain1.com.conf

remax-czech.cz
base_dir: /var/run/domain1.com
log_path: /var/log/dovecot/domain1.com/dovecot.log
info_log_path: /var/log/dovecot/domain1.com/info.log
log_timestamp: %F %T
protocols: imap imaps pop3 pop3s
listen: 127.0.0.1
ssl_cert_file: /usr/local/ssl/mail/domain1.comserver.crt
ssl_key_file: /usr/local/ssl/mail/domain1.com/server.key
disable_plaintext_auth: no
verbose_ssl: yes
login_dir: /var/run/dovecot-domain1.com/login
login_executable(default): /usr/local/dovecot/bin/dovecot/imap-login
login_executable(imap): /usr/local/dovecot/bin/dovecot/imap-login
login_executable(pop3): /usr/local/dovecot/bin/dovecot/pop3-login
login_max_processes_count: 40
login_max_connections: 42
max_mail_processes: 2000
verbose_proctitle: yes
first_valid_uid: 507
last_valid_uid: 507
first_valid_gid: 502
last_valid_gid: 502
fsync_disable: yes
mail_executable(default): /usr/local/dovecot/bin/dovecot/imap
mail_executable(imap): /usr/local/dovecot/bin/dovecot/imap
mail_executable(pop3): /usr/local/dovecot/bin/dovecot/pop3
mail_process_size: 300
mail_plugin_dir(default): /usr/local/dovecot-1.0.10/lib/dovecot/imap
mail_plugin_dir(imap): /usr/local/dovecot-1.0.10/lib/dovecot/imap
mail_plugin_dir(pop3): /usr/local/dovecot-1.0.10/lib/dovecot/pop3
pop3_uidl_format(default):
pop3_uidl_format(imap):
pop3_uidl_format(pop3): %08Xu%08Xv
auth default:
  mechanisms: plain login
  user: vmail
  verbose: yes
  passdb:
    driver: vpopmail
  userdb:
    driver: vpopmail

There is about 2500 users on domain1.com, so i should raise max_mail_processes ?

-- 
Lampa