On Wed, 2008-02-27 at 17:33 +0100, Jan van den Berg wrote: > Sort of the same thing: but more inconsistent. Sometimes I click five > folders and OE will have done 3 logins sometimes 2. > > > So new IMAP logins for (more or less) every click in Thunderbird and OE; > this is what auth_cache_size should solve right?
No. Dovecot can't affect how and when clients create new connections. auth_cache only reduces number of SQL queries when authenticating. You can determine if it works by adding auth_debug=yes and checking "Hit" and "Miss" log lines.
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