+
+=item version_time_index
+
+Location of the version/time index file. Defaults to
+spool_dir/../versions/idx/versions_time.idx if spool_dir/../versions
+exists; otherwise defaults to undef.
+
+=cut
+
+
+set_default(\%config,'version_time_index', -d $config{spool_dir}.'/../versions' ? $config{spool_dir}.'/../versions/indices/versions_time.idx' : undef);
+
+=item version_index
+
+Location of the version index file. Defaults to
+spool_dir/../versions/indices/versions.idx if spool_dir/../versions
+exists; otherwise defaults to undef.
+
+=cut
+
+set_default(\%config,'version_index',-d $config{spool_dir}.'/../versions' ? $config{spool_dir}.'/../versions/indices/versions.idx' : undef);
+
+=item binary_source_map
+
+Location of the binary -> source map. Defaults to
+spool_dir/../versions/indices/bin2src.idx if spool_dir/../versions
+exists; otherwise defaults to undef.
+
+=cut
+
+set_default(\%config,'binary_source_map',-d $config{spool_dir}.'/../versions' ? $config{spool_dir}.'/../versions/indices/binsrc.idx' : undef);
+
+=item source_binary_map
+
+Location of the source -> binary map. Defaults to
+spool_dir/../versions/indices/src2bin.idx if spool_dir/../versions
+exists; otherwise defaults to undef.
+
+=cut
+
+set_default(\%config,'source_binary_map',-d $config{spool_dir}.'/../versions' ? $config{spool_dir}.'/../versions/indices/srcbin.idx' : undef);
+
+
+
+set_default(\%config,'post_processall',[]);
+
+=item sendmail
+
+Sets the sendmail binary to execute; defaults to /usr/lib/sendmail
+
+=cut
+
+set_default(\%config,'sendmail','/usr/lib/sendmail');
+
+=item sendmail_arguments
+
+Default arguments to pass to sendmail. Defaults to C<qw(-oem -oi)>.
+
+=cut
+
+set_default(\%config,'sendmail_arguments',[qw(-oem -oi)]);
+
+=item spam_scan
+
+Whether or not spamscan is being used; defaults to 0 (not being used
+
+=cut
+
+set_default(\%config,'spam_scan',0);
+
+=item spam_crossassassin_db
+
+Location of the crosassassin database, defaults to
+spool_dir/../CrossAssassinDb
+
+=cut
+
+set_default(\%config,'spam_crossassassin_db',$config{spool_dir}.'/../CrossAssassinDb');
+
+=item spam_max_cross
+
+Maximum number of cross-posted messages
+
+=cut
+
+set_default(\%config,'spam_max_cross',6);
+
+
+=item spam_spams_per_thread
+
+Number of spams for each thread (on average). Defaults to 200
+
+=cut
+
+set_default(\%config,'spam_spams_per_thread',200);
+
+=item spam_max_threads
+
+Maximum number of threads to start. Defaults to 20
+
+=cut
+
+set_default(\%config,'spam_max_threads',20);
+
+=item spam_keep_running
+
+Maximum number of seconds to run without restarting. Defaults to 3600.
+
+=cut
+
+set_default(\%config,'spam_keep_running',3600);
+
+=item spam_mailbox
+
+Location to store spam messages; is run through strftime to allow for
+%d,%m,%Y, et al. Defaults to 'spool_dir/../mail/spam/assassinated.%Y-%m-%d'
+
+=cut
+
+set_default(\%config,'spam_mailbox',$config{spool_dir}.'/../mail/spam/assassinated.%Y-%m-%d');
+
+=item spam_crossassassin_mailbox
+
+Location to store crossassassinated messages; is run through strftime
+to allow for %d,%m,%Y, et al. Defaults to
+'spool_dir/../mail/spam/crossassassinated.%Y-%m-%d'
+
+=cut
+
+set_default(\%config,'spam_crossassassin_mailbox',$config{spool_dir}.'/../mail/spam/crossassassinated.%Y-%m-%d');
+
+=item spam_local_tests_only
+
+Whether only local tests are run, defaults to 0
+
+=cut
+
+set_default(\%config,'spam_local_tests_only',0);
+
+=item spam_user_prefs
+
+User preferences for spamassassin, defaults to $ENV{HOME}/.spamassassin/user_prefs
+
+=cut
+
+set_default(\%config,'spam_user_prefs',"$ENV{HOME}/.spamassassin/user_prefs");
+
+=item spam_rules_dir
+
+Site rules directory for spamassassin, defaults to
+'/usr/share/spamassassin'
+
+=cut
+
+set_default(\%config,'spam_rules_dir','/usr/share/spamassassin');
+
+=back
+
+=head2 CGI Options
+
+=over
+
+=item libravatar_uri $gLibravatarUri
+
+URI to a libravatar configuration. If empty or undefined, libravatar
+support will be disabled. Defaults to
+libravatar.cgi, our internal federated libravatar system.
+
+=cut
+
+set_default(\%config,'libravatar_uri','http://'.$config{cgi_domain}.'/libravatar.cgi?email=');
+
+=item libravatar_uri_options $gLibravatarUriOptions
+
+Options to append to the md5_hex of the e-mail. This sets the default
+avatar used when an avatar isn't available. Currently defaults to
+'?d=retro', which causes a bitmap-looking avatar to be displayed for
+unknown e-mails.
+
+Other options which make sense include ?d=404, ?d=wavatar, etc. See
+the API of libravatar for details.
+
+=cut
+
+set_default(\%config,'libravatar_uri_options','');
+
+=item libravatar_default_image
+
+Default image to serve for libravatar if there is no avatar for an
+e-mail address. By default, this is a 1x1 png. [This will also be the
+image served if someone specifies avatar=no.]
+
+Default: $config{web_dir}/1x1.png
+
+=cut
+
+set_default(\%config,'libravatar_default_image',$config{web_dir}.'/1x1.png');
+
+=item libravatar_cache_dir
+
+Directory where cached libravatar images are stored
+
+Default: $config{web_dir}/libravatar/
+
+=cut
+
+set_default(\%config,'libravatar_cache_dir',$config{web_dir}.'/libravatar/');
+
+=item libravatar_blacklist
+
+Array of regular expressions to match against emails, domains, or
+images to only show the default image
+
+Default: empty array
+
+=cut
+
+set_default(\%config,'libravatar_blacklist',[]);
+
+=back