Hey there,

sorry, sent the mail too fast. Obviously you need more information:

I'm using Dovecot 2.0.9

dovecot -n

2.0.9: /etc/dovecot/dovecot.conf

OS: Linux 2.6.32-279.22.1.el6.x86_64 x86_64 CentOS release 6.3 (Final) ext3

auth_cache_size = 10 M auth_debug = yes auth_username_format = %n auth_verbose = yes listen = * mail_debug = yes mail_gid = vmail mail_home = /dovecot/mailnfs/vmails/%u mail_location = sdbox:/dovecot/mailnfs/vmails/%u/mailstore mail_plugins = " quota" mail_privileged_group = mail mail_uid = vmail mbox_write_locks = fcntl passdb { driver = pam } plugin { quota = dict:User quota::file:%h/dovecot-quota quota_rule = *:storage=100M quota_rule2 = Trash:storage=+50M quota_warning = storage=95%% quota-warning 95 %u } service quota-warning { executable = script /usr/local/bin/quota-warning.sh unix_listener quota-warning { user = vmail } user = root } ssl_cert = Hi there Community,

I am currently setting up a Dovecot Mailserver, which works fine with some basic configuration (Dovecot + Sendmail). Sending > and receiving Mails is just fine. For improving timings, I wanted to activate the prefetch user database - but apparently it doesn't > seem to work correctly - I hope you can help me out!

When I activate the prefetch user database, every time I get a "passdb didn't return userdb entries" from my mail.debug logs.

Here's my config:

passdb { driver = pam }

(I authenticate via PAM which is itself configured to ask ldap server, ldap returns it back to PAM - so Dovecot only sees the > > PAM-authentication part)

userdb { driver = prefetch }

userdb { driver = ldap args = /etc/dovecot/dovecot-ldap.conf.ext }

My userdb is going over ldap.

Relevant parts of /etc/dovecot/dovecot-ldap.conf.ext:

... user_attrs = uidNumber=50014,gidNumber=2084,modem-quota=quota_rule=*:storage=%$

user_filter = (&(objectClass=posixAccount)(uid=%u))

pass_attrs = uidNumber==50014,gidNumber=2084

I'm not sure.... maybe it's because of the PAMLDAPPAM? Or do I miss something other fundamental? Thanks for any insights, Megodin

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