On 03/19/2014 05:47 PM, Daniel Reynolds wrote: > doveconf: Fatal: Error in configuration file > /etc/dovecot/conf.d/99-mail-stack-delivery.conf line 6: Unknown setting: > ssl_client_ca_dir ssl_client_ca_dir was added in dovecot 2.2, are you running that? The page you referred to seems to contain instructions on installing dovecot 2.2 from a ppa.