=back
+=head2 Plugin C<df>
+
+=over 4
+
+=item B<Device> I<Device>
+
+Select partitions based on the devicename.
+
+=item B<MountPoint> I<Directory>
+
+Select partitions based on the mountpoint.
+
+=item B<FSType> I<FSType>
+
+Select partitions based on the filesystem type.
+
+=item B<IgnoreSelected> I<true>|I<false>
+
+Invert the selection: If set to true, all partitions B<except> the ones that
+match any one of the criteria are collected. By default only selected
+partitions are collected if a selection is made. If no selection is conifured
+at all, B<all> partitions are selected.
+
+=back
+
=head2 Plugin C<dns>
=over 4
=back
-=head2 Plugin C<df>
+=head2 Plugin C<email>
=over 4
-=item B<Device> I<Device>
+=item B<SocketGroup> I<Group>
-Select partitions based on the devicename.
+If running as root change the group of the UNIX-socket after it has been
+created. Defaults to B<collectd>.
-=item B<MountPoint> I<Directory>
+=item B<SocketPerms> I<Permissions>
-Select partitions based on the mountpoint.
+Change the file permissions of the UNIX-socket after it has been created. The
+permissions must be given as a numeric, octal value as you would pass to
+L<chmod(1)>. Defaults to B<0770>.
-=item B<FSType> I<FSType>
-
-Select partitions based on the filesystem type.
-
-=item B<IgnoreSelected> I<true>|I<false>
+=item B<MaxConns> I<Number>
-Invert the selection: If set to true, all partitions B<except> the ones that
-match any one of the criteria are collected. By default only selected
-partitions are collected if a selection is made. If no selection is conifured
-at all, B<all> partitions are selected.
+Sets the maximum number of connections that can be handled in parallel. Since
+this many threads will be started immediately setting this to a very high
+value will waste valuable resources. Defaults to B<5> and will be forced to be
+at most B<16384> to prevent typos and dumb mistakes.
=back